GPS Sports Monitor J-307 User Manual
J-307 User Manual Welcome Welcome Features Measuring a variety of activities Measure running, walking, bike riding, swimming and other activities, and display the results. ❏ Measure distance, pace, routes, and other information. U “Measurable items” on page 33 ❏ Measure the time that has elapsed since each start (split time) and lap times. U “Measuring workouts” on page 32 ❏ Check the measured results/data. U “Stopping and saving measuring” on page 38 This device features many other functions.
J-307 User Manual Welcome Measuring activity Measure various daily activities such as desk work, household chores, and so on. ❏ Measure distance, number of steps, calories burnt, and other information. U “Measuring Daily Activity (Meas. Activity)” on page 61 ❏ Set a target number of steps and view your daily progress. U “Configuring a target number of steps” on page 65 ❏ View the past seven days worth of activity data.
J-307 User Manual Contents Contents Welcome. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 Features. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 Overview of the ProSense. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
J-307 User Manual Contents Checking data during measuring. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39 Recording lap times during measuring. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40 Changing Measure Set (GPS measurement settings). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41 Configuring settings. . . . . . . . . . . . .
J-307 User Manual Contents Settings. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 76 Bluetooth. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 76 Activity. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
J-307 User Manual Overview of the ProSense Overview of the ProSense U “Brief description of the ProSense” on page 8 U “Brief description of the User's Guide and Startup Guide” on page 9 U “Using this Device Safely” on page 11 U “Included items and optional accessories” on page 14 7
J-307 User Manual Overview of the ProSense Brief description of the ProSense This device is a sports watch designed with GPS functionality to measure and record running and other workout activity. This device also tracks and records other types of daily activity. With the Epson View companion application, you can analyze, review, and manage your workout and activity data from your PC or smartphone.
J-307 User Manual Overview of the ProSense Brief description of the User's Guide and Startup Guide Thank you for your purchase of the GPS Sports Monitor "ProSense". To ensure correct use of the device, make sure to read the included Startup Guide and then refer to the User's Guide as necessary. Keep the included Startup Guide easily available when you need help with the device. Descriptions in the User's Guide Warning This symbol represents precautions or instructions that must be followed.
J-307 User Manual Overview of the ProSense Caution ❏ Unapproved copying of part or all of this guide is strictly forbidden. ❏ The content of this guide is subject to change without prior notice. ❏ Although every effort has been made to ensure the accuracy of this guide, contact us if you have any questions or notice any errors in descriptions in the content of this guide. ❏ Despite the preceding clause, we cannot accept any responsibility for mishandling due to errors in this guide.
J-307 User Manual Overview of the ProSense Using this Device Safely Make sure to read the included "Using this Device Safely" document before using the product to ensure safe use. Incorrect handling may result in product failure or incorrect operation. ❏ Keep the included Startup Guide and the User's Guide (this document) easily available when you need help resolving issues with the device. ❏ Confirm the laws and regulations of the applicable country when traveling to other countries with this device.
J-307 User Manual Overview of the ProSense Warning Do not use or store this device in the following environments. Doing so may result in electric shock, fire, or product malfunction and damage. ❏ Locations exposed to extreme temperature/humidity ❏ Near volatile substances ❏ Dusty places ❏ Near a fire ❏ Near sources of magnetic energy such as TVs, speakers, and magnetic necklaces Do not attempt to disassemble or repair this product. Doing so may cause electric shock or other accident.
J-307 User Manual Overview of the ProSense Notes on electromagnetic waves ® This device is equipped with Bluetooth Smart technology. This function enables wireless communication of measurement data between the device and a smartphone. This device has been classified as a low electronic data communication system based on Radio Law. Therefore, this device does not require a radio station license. The following acts may be punishable by law.
J-307 User Manual Overview of the ProSense Included items and optional accessories Included items Make sure you check that all of the following items have been supplied with this product. If any of these items are missing, contact your local reseller. Notes on Usage USB Charging clip (charging and communication device) Device Startup Guide Warranty Optional accessories You can purchase the following optional extras. Contact your local reseller for more information.
J-307 User Manual Setup Setup U “Charging the device” on page 16 U “Button functions” on page 19 U “Configuring initial settings” on page 21 U “Device screens” on page 23 U “Battery levels” on page 24 U “Locking and unlocking the buttons” on page 25 U “Turning the device on and off” on page 26 U “Device sensors” on page 27 15
J-307 User Manual Setup Charging the device c ❏Important Charge this device before using it for the first time. ❏ Use the specified USB Charging clip. ❏ Do not attach the USB Charging clip to a wet or dirty device. Doing so may cause corrosion or malfunction of the device or USB Charging clip contact points, or communication failures. ❏ Charge in environments with ambient temperatures of 5 to 35˚C.
J-307 User Manual Setup B Start charging the device. Two charging methods are available. oUsing the AC adapter to charge the device Connect the USB plug of the USB Charging clip to the USB port in the AC adapter and then connect the AC adapter to an electrical outlet. We recommend using the optional AC adapter to charge the device. Using an incompatible AC adapter may result in failure to charge or improper operation.
J-307 User Manual Setup C Check that charging is complete. Charging is complete once the "Remove clip to setup your watch" message appears. Note ❏ Once the device is fully charged, the overcharge prevention feature engages. The device will not be damaged even if you continue to charge the battery. ❏ D The Time screen appears when configuring initial settings while charging the device. After the device is fully charged, disconnect the USB Charging clip from the device.
J-307 User Manual Setup Button functions 3 1 4 2 5 This device is operated using the BACK button, START/STOP button, UP button, ENTER button, and DOWN button. These buttons have different functions depending on the displayed screen. The following table describes the button functions for each screen. Function Time screen/Track Activity Measurement screen Menu/Settings screen * screen Button 1 2 3 4 Pressing the button at the Track Activity screen displays the Time screen.
J-307 User Manual Setup Function Time screen/Track Activity Measurement screen Menu/Settings screen * screen Button 5 Pressing the button displays the activity type for the next measurement or displays the Workout Recall screen. Pressing the button switches between Measurement screens. Pressing the button selects the next option down. This button is also used to decrease values. When entering values, pressing and holding the button decreases values quickly. *When MEAS. ACTIVITY is set to ON.
J-307 User Manual Setup Configuring initial settings Initial settings include personal details such as height and weight. Configuring this information improves accuracy of the recorded data. The initial settings process starts once the USB Charging clip is removed from the device.
J-307 User Manual Setup * Configuring the device directly A B C Set the display language Select LANGUAGE and then press the ENTER button. Configuration is complete after you have finished configuring all settings and the Time screen appears. Note ❏ If the device fails to acquire a GPS signal, press the ENTER button and configure manually, or move to another location and press the BACK button to start acquiring a GPS signal again.
J-307 User Manual Setup Device screens Screen display Time screen 1 2 3 4 1: Current date and day 2: Current time 3: Total steps for the day and indicator of progress * toward your target number of steps 4: Icons that represent the status of GPS positioning, wireless communication, and battery level. * Only when MEAS. ACTIVITY is set to ON.
J-307 User Manual Setup Battery levels You can check how much charge remains from the battery icon below the time display. Battery icon and standard usage times Usage function GPS measuring 5 to 10 hours 2 to 5 hours 1 to 2 hours 0 to 1 hour Estimated battery life of time display operation only (no GPS measuring) Maximum operation Usage function *2 time *1 Meas. Activity is disabled, AUTO SLEEP is enabled , Bluetooth is disabled, AUTO SEARCH is disabled 30 days *1 Meas.
J-307 User Manual Setup Locking and unlocking the buttons Locking the buttons To lock the buttons, press and hold the UP button at the following screens. ❏ Time screen ❏ Activity screen ❏ Measuring screen Unlocking the buttons To unlock the buttons, press and hold the UP button.
J-307 User Manual Setup Turning the device on and off Turning on the device Press and hold the START/STOP button for 2 seconds to turn on and start the device. Turning off the device Turn off the device if it will be unused for an extended period of time. To turn off the device, press the ENTER button at the Time screen and then select MENU > Turn Off > Yes.
J-307 User Manual Setup Device sensors GPS signal reception (GPS positioning) GPS positioning GPS positioning is the process by which the device receives a GPS signal and timing information to measure routes, distance, pace, and other information. To ensure accuracy of measurements, use the device under the following conditions in areas of good GPS signal reception.
J-307 User Manual Setup The Measurement screen appears after GPS locating. Wait 15 minutes Note ❏ Refer to the following page for more information on GPS positioning. U “Measurement preparation (selecting the Activity Type)” on page 36 ❏ This process normally only needs to be performed once. ❏ Perform this process if the device has not been used for several months.
J-307 User Manual Setup About the stride sensor This device is equipped with a stride sensor. This sensor enables the device to continue measuring your distance and pace in locations with poor GPS signal reception, such as in tunnels or indoors. Using the device for the first time When using the device for the first time, run or walk for the specified time depending on the location as described in the following table to allow the device to acclimate to your stride.
J-307 User Manual Setup Measuring Pulse (Heart Rate) during Exercise Wear the device on your wrist and then press the [UP] button to see your pulse (heart rate). You can set five heart rate zones (within the range of the minimum and maximum heart rate) to suit the exercise intensity in User Settings. The value in brackets () is the default setting.
J-307 User Manual Measuring Your Workout Measuring Your Workout U “Measuring workouts” on page 32 U “Checking data during measuring” on page 39 U “Recording lap times during measuring” on page 40 U “Changing Measure Set (GPS measurement settings)” on page 41 U “Using A-GPS to reduce the GPS positioning time” on page 52 U “Configuring the operation of the backlight during measuring” on page 52 U “Configuring workout notifications” on page 52 U “Measuring time (Stopwatch)” on page 54 31
J-307 User Manual Measuring Your Workout Measuring workouts This device uses positional and time information received from GPS satellites to measure your distance, pace, and routes. You can also measure split times and lap times during GPS measuring sessions. Split time Measures the elapsed time from the start. Press the START/STOP button to start measuring. Press the START/STOP button again to stop the measuring. START/STOP START/STOP Lap time Records the elapsed time for each lap.
J-307 User Manual Measuring Your Workout Measurable items Workout Explanation Split Time (Time) Total time from the start of measurements Distance (Dist.
J-307 User Manual Measuring Your Workout Settings screen Screen 1 Screen 2 Screen 3 Screen Run Treadmill This screen displays the *1 current settings.
J-307 User Manual Measuring Your Workout *2 Training screen Interval screen Race screen Lap screen Screen Run ❏ TARGET TIME ❏ LapTime Treadmill ❏ TARGET DIST. ❏ LapPace ❏ Estimated end time (only when a target distance has been set) Walk ❏ - - Estimated end distance (only when a target time has been set) *1 Does not appear during measuring. *2 Appears only when a Time or Dist. has been set.
J-307 User Manual Measuring Your Workout Measurement preparation (selecting the Activity Type) At the Time screen, press the DOWN button to select the activity type. The following table lists the available activities. Activity Type Explanation Running (Run) Jogging, running, marathons, etc. Walking (Walk) Walking Treadmill (Treadmill) Jogging or running on a treadmill The device will begin GPS positioning once an activity is selected.
J-307 User Manual Measuring Your Workout Starting measuring Note The device will return to the Time screen after one hour of no operation before measuring is started or during paused measuring. The data for the paused measuring up to the point of the pause will be saved. At the Measurement screen, press the START/STOP button to start the measuring. c ❏Important The oldest data will be overwritten when the device runs out of storage space used for measurement data.
J-307 User Manual Measuring Your Workout You can return to the Time screen by waiting 15 seconds or pressing the ENTER button. Stopping and saving measuring A Display the Stop menu B Save the data Press the ENTER button while the measuring is paused to display the Stop menu. Press the UP orDOWN button > select Save > and then press the ENTER button. The Measurement Results screen appears with the following information.
J-307 User Manual Measuring Your Workout Checking data during measuring Three different screens are available during measuring. Press the UP and DOWN buttons to switch between these screens. The information that appears depends on the selected activity.
J-307 User Manual Measuring Your Workout Recording lap times during measuring Press the ENTER button during measuring to record a lap. The Display Lap screen appears for a few seconds when a lap is recorded. Note The Display Lap screen will also appear when you have reached the distance set for the AT Lap function.
J-307 User Manual Measuring Your Workout Changing Measure Set (GPS measurement settings) Note The available settings vary depending on the activity. U “List of Measure Set” on page 43 Various user-configurable measurement settings are available. Configuring settings A Display the Workout menu Press the ENTER button at the Measurement screen. Note This menu can also be displayed from the paused measurement screen. Press the UP or DOWN button > select Settings > and then press the ENTER button.
J-307 User Manual Measuring Your Workout C Configure settings D Finish the configuration Press the UP orDOWN button > select the desired option > and then press the ENTER button. Once you have configured all desired settings, press the BACK button to display the Measurement screen. Note ❏ If you configured settings while measuring is paused, press the BACK button twice to display the paused measurement screen. ❏ You can also configure settings from a PC using Epson View.
J-307 User Manual Measuring Your Workout List of Measure Set AT Lap This function automatically records laps each time a preconfigured distance is reached. U “Recording laps automatically (AT Lap)” on page 44 AT Pause (only for Run activity sessions) This function automatically pauses your measuring when you stop running and resumes your measuring when you start running again.
J-307 User Manual Measuring Your Workout B Recording laps automatically (AT Lap) This function automatically records laps each time a preconfigured distance is reached. A Display the Workout menu Press the ENTER button at the Measurement screen. Note This menu can also be displayed from the paused measurement screen. Press the UP or DOWN button > select Settings > and then press the ENTER button.
J-307 User Manual Measuring Your Workout C Configure settings Press the UP or DOWN button > select Time or Dist. > and then press the ENTER button. Note ❏ To disable this function, select OFF. D Finish the configuration Once you have configured all desired settings, press the BACK button to display the Measurement screen. Note If you configured settings while the measurement is paused, press the BACK button twice to display the paused measurement screen.
J-307 User Manual Measuring Your Workout B Pausing and resuming measuring automatically (AT Pause) This function automatically pauses your measuring when you stop running and resumes your measuring when you start running again. A Display the Workout menu Press the ENTER button at the Measurement screen. Note This menu can also be displayed from the paused measurement screen. Press the UP or DOWN button > select Settings > and then press the ENTER button.
J-307 User Manual Measuring Your Workout C Configure settings Press the UP orDOWN button > select ON > and then press the ENTER button. Note ❏ To disable this function, select OFF. D Finish the configuration Once you have configured all desired settings, press the BACK button to display the Measurement screen. Note If you configured settings while the measurement is paused, press the BACK button twice to display the paused measurement screen.
J-307 User Manual Measuring Your Workout Measuring preconfigured time and distances (Training) Training This function measures your performance in regards to preconfigured time and distance goals and also has a mode that helps you maintain a preconfigured pace. Time training You configure a training time to create a timed training session. During the session, you can check the running time and estimated end distance. U “Measuring Preconfigured Time and Distances (Time/Dist.
J-307 User Manual Measuring Your Workout C Measuring Preconfigured Time and Distances (Time/Dist.) A Display the Workout menu Configure settings Press the UP orDOWN button > select Time or Dist. > and then press the ENTER button. Press the ENTER button at the Measurement screen. Note To disable this function, select OFF. D Note This menu can also be displayed from the paused measurement screen. Press the UP or DOWN button > select Settings > and then press the ENTER button.
J-307 User Manual Measuring Your Workout Setting and measuring paces (target pace) This feature allows you to set a target pace (time per kilometer) so that the device will vibrate to notify you when you have deviated from the target pace. This feature is only available for Run activity sessions. ♪ ♪ ♪ Note The target pace can also be configured from a PC if you use the Epson View PC application. In this scenario, you can configure a different target pace for each lap/ interval.
J-307 User Manual Measuring Your Workout Setting conditions in your interval sessions Setting time/distance training sessions with high/low intensity intervals (interval training) Note Interval settings can also be configured from a PC if you use the PC application.Epson View You can freely configure the number of intervals when using the PC application. Refer to the "Application User's Guide" for more information.
J-307 User Manual Measuring Your Workout Using A-GPS to reduce the GPS positioning time You can reduce the GPS positioning time before your walking or running session by updating the GPS information in the device./ Connect the device to a PC or smartphone and start Epson View to automatically update the GPS information in the device. c ❏Important Downloading GPS information may incur separate communication charges for which the user is responsible.
J-307 User Manual Measuring Your Workout ❏ Deviation from the target pace range in Training mode U “Vibration” on page 76 53
J-307 User Manual Measuring Your Workout Check recorded laps. Measuring time (Stopwatch) Use this feature to measure only time without using GPS measuring. Note ❏ Stopwatch data is not stored in the device. ❏ A B This function cannot measure distance, pace, or other GPS measuring activity. Display the screen At the Time screen, press the DOWN button and then select Stopwatch. Starting measuring Press the START/STOP button to start the stopwatch.
J-307 User Manual Checking Workout Measurement Data Checking Workout Measurement Data U “Checking history data from previous measurement” on page 56 U “Deleting measurement data from the history” on page 58 U “Managing data with the companion application” on page 59 55
J-307 User Manual Checking Workout Measurement Data Checking history data from previous measurement You can check measured data on the recall screen.
J-307 User Manual Checking Workout Measurement Data Measurement data that can be checked in recall The following measurement data can be checked.
J-307 User Manual Checking Workout Measurement Data Deleting measurement data from the history Two methods are available to delete measurement data from the history. ❏ Use the following procedure to delete measurement data from the history. ❏ To delete the entire history and all measurement data, initialize the device. Refer to the following page for more information.
J-307 User Manual Checking Workout Measurement Data Managing data with the companion application EPSON View companion application: With this application, you can review workout measurement data and activity data from your PC. With this application, you can review workout measurement data and activity data from your smartphone and PC. Visit the following website to download Epson View, create an account, and learn how to upload data and perform other operations. PC: https://view.epson.
J-307 User Manual Checking Workout Measurement Data Starting wireless communication This section describes the procedure to start wireless communication so that the device can be paired with a smartphone. Note ❏ To delete the smartphone pairing, display the Settings menu, select Smartphone and then Forget Device. The following screen appears once the pairing has been deleted. Select Pairing Completed to complete the operation.
J-307 User Manual Measuring Daily Activity (Meas. Activity) Measuring Daily Activity (Meas.
J-307 User Manual Measuring Daily Activity (Meas. Activity) Track activity measurement function This device is equipped with functionality to measure different activities. The device can measure daily activity such as number of steps and calories burnt while the device is worn. Measured data is aggregated on a per-day basis and is viewable on the device or the companion application.
J-307 User Manual Measuring Daily Activity (Meas. Activity) E Measuring activity A Display the General Settings screen Finish the configuration Press the BACK button to display the Time screen. At the Time screen, press the UP button > select Settings > and then press the ENTER button. Note The number of steps appears on the Time screen when MEAS. ACTIVITY is set to ON.
J-307 User Manual Measuring Daily Activity (Meas. Activity) Checking your activity Activity data you can check The following two types of data can be checked.
J-307 User Manual Measuring Daily Activity (Meas. Activity) Configuring a target number of steps Checking previous activity data (Recall screen) Important c The device stores the past seven days worth of ❏ You can track your progress towards your daily target number of steps when Meas. Activity is set to ON. activity data. Older data is overwritten by the oldest data first. For this reason, we recommend that you upload data to the Epson View companion application on a timely basis.
J-307 User Manual Measuring Daily Activity (Meas. Activity) Checking your target number of steps progress If you configure a target number of steps, the device displays a target number of steps progress indicator on the Time screen.
J-307 User Manual Measuring Daily Activity (Meas. Activity) Stop measuring your activity Note Note: When Track Activity is set to OFF, the Track Activity icon is removed from the bottom right of the Time screen (to the right of the battery icon). The device will no longer measure your number of steps, calories burnt, or distance.
J-307 User Manual Usage Examples for Some Typical Scenarios Usage Examples for Some Typical Scenarios U “Measuring marathons and walking sessions” on page 69 U “Configuring training workouts for races” on page 70 U “Configuring racing goals” on page 71 U “Checking your daily condition (Activity)” on page 72 68
J-307 User Manual Usage Examples for Some Typical Scenarios Measuring marathons and walking sessions 69
J-307 User Manual Usage Examples for Some Typical Scenarios Configuring training workouts for races 70
J-307 User Manual Usage Examples for Some Typical Scenarios Configuring racing goals 71
J-307 User Manual Usage Examples for Some Typical Scenarios Checking your daily condition (Activity) 72
J-307 User Manual Changing Device Settings Changing Device Settings U “Changing device settings” on page 74 U “Settings” on page 76 U “Turn Off” on page 77 73
J-307 User Manual Changing Device Settings Changing device settings Configuring the device from a PC This section describes the procedures to configure the device. A Connect the device to the PC B Configure settings C Synchronize the device Configuring the device from a smartphone Attach the USB Charging clip to the device and connect the USB plug into a USB port on the PC. You can configure this device using a smartphone. Download and refer to the Application User's Guide for more information.
J-307 User Manual Changing Device Settings E Configuring the device directly A Display the MENU B Display the Settings screen C Select the desired setting At the Time screen, press the ENTER button. Press the UP orDOWN button > select Settings > and then press the ENTER button. Press the UP orDOWN button > select a setting > and then press the ENTER button. Some settings must be configured in more detail. In such cases, completely configure the setting.
J-307 User Manual Changing Device Settings Settings Notifications Bluetooth These settings are used to enable and disable notifications such as smartphone reception of phone calls and email messages when the device is paired with a smartphone. ON/OFF Non-Workout This setting is used to enable and disable Bluetooth. This setting is used to enable and disable notifications at the Time screen. Options: ON, OFF Options: ON, OFF Pairing Workout This is used to connect with a smartphone.
J-307 User Manual Changing Device Settings ❏ Triggering of a notification such as completion of a lap or target distance in Training mode (Notifications) minutes elapses, we recommend that you select Cancel, move to a different location, and try again. ❏ Manual: Options: ON, OFF Configure the time manually on the device directly. When a specified time has passed, the light automatically turns off. The backlight remains on until the end of measuring when Workout is selected for All Time.
J-307 User Manual Changing Device Settings Certification This displays the device certifications.
J-307 User Manual Regular Maintenance Regular Maintenance U “Cleaning the device” on page 80 U “Waterproof performance” on page 82 U “Batteries” on page 82 U “Disposing of the device” on page 82 U “Problem solving” on page 83 U “Updating the firmware” on page 86 U “Performing system resets” on page 87 U “Initializing the device” on page 88 79
J-307 User Manual Regular Maintenance Cleaning the device Main device and band Periodically cleaning with water Clean the main device with water after each use or periodically. Wipe completely dry with a dry cloth after washing. The band can be washed with a diluted mild detergent. c ❏Important Do not press any buttons or scrub the glass too strongly while cleaning the device. Doing so may cause malfunction or scratching of the glass. ❏ Do not press any buttons while the device is underwater.
J-307 User Manual Regular Maintenance c ❏Important Do not attach the USB Charging clip to the device while contact points are wet or dirty. Doing so may cause corrosion or malfunction of the contact points, or communication failures. ❏ Do not clean using organic solvents such as benzine, thinner, alcohol, or detergent. This could cause the product to degrade.
J-307 User Manual Regular Maintenance Waterproof performance Batteries Internal rechargeable device battery You cannot replace the built-in rechargeable battery yourself. If the battery does not retain its charge for as long as it used to due to prolonged use, the battery has likely reached the end of its service life. In this situation, contact your local reseller or our repair center to replace the battery for a fee. The average service life of the battery is four years.
J-307 User Manual Regular Maintenance Problem solving Check each item. Problem Basic actions Solution The screen is not displayed. You cannot start using the device immediately after purchase until the device is charged. Try charging the device first. Also, nothing is displayed if the battery runs out. Make sure you charge the battery before use. U “Charging the device” on page 16 The device does not react even after performing an operation. Is the battery running low? Charge the battery.
J-307 User Manual Regular Maintenance Problem GPS Solution GPS signal reception is weak or failing. Perform GPS positioning again with the device outside with no obstructions overhead for 15 minutes. U “GPS signal reception (GPS positioning)” on page 27 Go to a location outside with no obstructions overhead. GPS signals cannot be received while indoors.
J-307 User Manual Regular Maintenance Problem Web application Solution An error screen appears and communication is interrupted during data exchanges with the PC. Do not move the device and USB Charging clip during communication processes. Avoid communicating data under environments where static electricity can be easily generated. If an error occurs, try reconnecting the USB Charging clip and attempting the communication again.
J-307 User Manual Regular Maintenance Updating the firmware Note Check the following if the ProSense firmware update tool does not start. You may be able to resolve problems that occur by updating the firmware. ❏ An instance of the ProSense firmware update tool is already started preventing the starting of another instance. ❏ The USB Charging clip attached to the device is correctly connected to the PC. Download and use the latest version.
J-307 User Manual Regular Maintenance Performing system resets Perform a system reset if operation becomes unstable. Press the UP, ENTER, and DOWN buttons simultaneously. The screen is reset and the device restarts. Note Measurement data is not recorded if a system reset is performed while measuring. The following shows the differences between a system reset and initializing. : Data and settings are retained. -: Data and settings are not retained. (Settings must be reconfigured.
J-307 User Manual Regular Maintenance E Initializing the device If you want to delete all measurement data and clear the device's memory, you need to initialize the device. A Display the menu B Select Settings Initializing the device Press the UP orDOWN button > select Yes > and then press the ENTER button. At the Time screen, press the ENTER button. Once the initialization is complete, the device will restart and display the Initial Settings screen. Initialize the device.
J-307 User Manual Appendix Appendix U “Product specifications” on page 90 U “Understanding the icons” on page 92 U “Glossary” on page 93 U “Trademarks” on page 95 89
J-307 User Manual Appendix Product specifications Device specifications Model No. - Size (thickness) 14.
J-307 User Manual Appendix *1 The device periodically receives a GPS signal to reduce the initial GPS positioning time. Auto Sleep is active for 14 hours per day (internal evaluation criteria) *2 Operating time varies depending on GPS signal reception quality and device settings. The operating time is significantly reduced when GPS signal reception is poor, such as indoors. (Some settings that affect battery life include backlight settings.
J-307 User Manual Appendix Understanding the icons Icons Name Run mode (measuring while running) Walking mode (measuring while walking) Treadmill mode (measuring treadmill workout sessions) Device is acquiring a GPS signal (GPS On) GPS positioning Average pace Lap Distance Calories burnt Stopwatch Split time AT Lap Manual Lap Steps Average stride Charging USB communication in progress Buttons are locked Buttons are unlocked 92
J-307 User Manual Appendix Glossary Definition Term A system that is used to calculate current positions via a GPS receiver that receives signals from satellites orbiting the earth. This function allows you to accurately understand positional and time information. GPS function U “GPS signal reception (GPS positioning)” on page 27 Distance from the measurement start point to the current time. Distance Target time per km Target Pace The device is water resistant up to 5 bars of pressure.
J-307 User Manual Appendix Definition Term Your current pace acquired from GPS information. Pace Your pace for the current lap. Lap pace Your time for the lap.
J-307 User Manual Appendix Trademarks ❏ EPSON and EXCEED YOUR VISION are registered trademarks of the Seiko Epson Corporation. ❏ Microsoft and Windows are registered trademarks of the Microsoft Corporation in the United States of America and other countries. ❏ OS X and macOS are registered trademarks of Apple Inc. in the United States of America and other countries. ❏ iPhone is a trademark of Apple Inc. ❏ Android and Google Play are trademarks of Google Inc.
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