PJP-EC200 Conference Echo Canceller User's Manual
Caution: Read This before Operating Your Unit. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 2 To assure the finest performance, please read this manual carefully. Keep it in a safe place for future reference. Only voltage specified on this unit must be used. Using this unit with a higher voltage than specified is dangerous and may cause fire, damage to this unit, and/or personal injury.
Contents OPERATIONAL MANAGEMENT Maintenance and Management .............................................. 35 Introduction ................................................................................4 Checking configurations and status ....................................... 35 Check the latest information.....................................................4 Checking the configuration information................................ 35 About this manual ..................................................
Introduction Thank you for purchasing Yamaha PJP-EC200. Before operating this unit, please read this manual carefully. For your safety, please read all safety instructions and precautions stated in this manual carefully and keep it in a safe place for future reference. Check the latest information This manual has been compiled based on the latest version of the firmware as of January 2010. For the latest information about this unit, please visit the following website. ■Projectphone website http://www.
CONFIRMATION SOFTWARE LICENSE AGREEMENT SOFTWARE LICENSE AGREEMENT This License Agreement (the "AGREEMENT") is a legal agreement between you and Yamaha Corporation ("YAMAHA") under which YAMAHA is providing the firmware of YAMAHA's Projectphone™ (the "PRODUCT") and related software program, documentation and electronic files (collectively, the "SOFTWARE").
. TERM: 6-1. This AGREEMENT becomes effective upon your agreeing the terms and conditions herein and continues in effect unless or until terminated in accordance with the provision of 6-2 or 6-3 herein. 6-2. You may terminate this AGREEMENT by deleting the SOFTWARE installed into the PRODUCT. 6-3. This AGREEMENT will also terminate if you fail to comply with any of the terms and conditions of this AGREEMENT. 6-4.
About the Product INTRODUCTION The PJP-EC200 is a high-performance echo canceller box that enables smooth simultaneous talk during a videoconference or a webconference. Echo canceller x 2 CONFERENCE OUT L CONFERENCE OUT R Mixer CONFERENCE IN L CONFERENCE IN R Feedback suppressor x 2 MIC LINE INPUT IN2 MIC LINE INPUT IN1 LINE OUT R LINE OUT L Mixer Enhanced basic functions ■Echo canceller Echo is a phenomenon that occurs when microphones pick up the audio reproduced from the speakers.
Controls and Functions Front panel MIC/LINE IN1 INPUT LEVEL IN2 ① CONFERENCE PHANTOM CONFERENCE ECHO CANCELLER PJP-EC200 ACTIVE GAIN KNOB POWER DIP SW ② 1 LEDs 2 Label Light to indicate the status of this unit. The following information is shown. • MODEL No.: Model number of this unit • SER.: Serial number for use in management/distinction of this unit ■Functions of the LEDs INPUT LEVEL (IN1/IN2 /CONFERENCE) GAIN KNOB On (green): Detecting audio data.
IN1 & 2 CONF.OUT EC TYPE MIX & FS DIP SW SETTING PHANTOM ON OFF ETHER LINE OUTPUT CONFERENCE STANDBY ON MIC/LINE INPUT IN2 R L OUT IN INTRODUCTION AUTO ANALYZER MIC LINE MIC LINE 2 1 ON OFF ETHER Rear panel IN1 GAIN INITIALIZE PHANTOM ACTIVE ①② ③ MIN MAX MIN IN2 DIP SW MAX IN1 DC IN 12V ACTIVE ④ ⑤⑥ ⑦ ⑧ 1 AUTO ANALYZER Press this switch to adjust the echo canceller and feedback suppressor automatically.
■Functions of the DIP switch SETTING PHANTOM IN1 & 2 CONF.OUT EC TYPE MIX & FS DIP SW ON OFF MIC LINE MIC LINE 2 1 ON OFF ETHER ①②③④⑤⑥ 1 PHANTOM (DC+48V) Turns on/off the phantom power. ON: Turn on the phantom power. OFF: Turns off the phantom power. Make sure you set this switch to OFF when a device which does not require a phantom power is connected. Incorrect settings may cause a malfunction of the external devices.
Installation and Initial Setup This section describes connections and setup required for using this unit. The basic setup of this unit is available only with the DIP switch. For advanced setup, refer to “Using the Web Menu” (page 16). Notes • Do not use the mute function on a microphone or PA system connected to this unit to prevent echo generations on the other end. • Make sure all devices are turned off before connecting a microphone or speakers.
8 Configure the settings of this unit using the DIP switch. For details, refer to “Functions of the DIP switch” (page 10). 9 Turn on the external devices. 10 Turn on this unit. The POWER LED on the front panel turns on. 11 On your PC or videoconference system, adjust the output level. Adjust the output level so that the INPUT LEVEL LED on the front panel does not turn on in red. 12 Use GAIN to adjust the input gain for MIC/LINE INPUT.
Using in combination with a PA system By combining this unit with a PA system, it makes possible to use many microphones for a conference. 2 PREPARATION 13 IN1 & 2 CONF.
13 On your PA system, adjust the input gain. For details, refer to the owner's manual supplied with your PA system. 14 Use GAIN to adjust the input gain for MIC/LINE INPUT. Adjust the input gain so that the INPUT LEVEL LED on the front panel does not turn on in red. 15 Press AUTO ANALYZER. The echo canceller and feedback suppressor settings are automatically adjusted. For details, refer to “Automatic Setup by Auto Analyzer” (page 15).
Automatic Setup by Auto Analyzer The auto analyzer function automatically sets the echo canceller and feedback suppressor settings best suited for your environment (types of microphone and speakers, size of conference room, etc.). Note • During the measurement, the microphone picks up test tones output from the speakers. To achieve the best results, keep the room as quiet as possible during the measurement.
Using the Web Menu By using the web menu, you can configure this unit's settings in more detail. The web menu is accessible from the PC connected to this unit. To configure this unit's settings from the web menu, set the DIP switch (DIP SW) to ETHER. Notes • If you set DIP SW to ETHER, the web menu settings are prioritized. The settings items you have configured using the DIP switch should be reconfigured on the web menu.
Setting the Password No password is set to this unit by default. For security reasons, we suggest that you set a password to this unit. By setting a password, you can prevent third parties from access to this unit and changing the configurations. 1 Click "System Settings". 5 Click "Close". The "System Settings" screen appears. 2 In the "Login Password" field, click "Edit". The "Connect to 192.168.100.101" screen appears.
Setting the Date and Time Follow the procedure below to set the date and time of this unit. 1 Click "System Settings". The "System Settings" screen appears. 2 In the "Clock" field, click "Edit". The "Clock Settings" screen appears. 3 In the "PJP-EC200 Date/Time" field, select "Change" and then enter the date and time. y To set the exact time, enter a time a little ahead and then click "Apply" according to a time signal. 18 4 In the "Timezone" field, select the time zone of your area.
If your area uses DST (Daylight Saving Time) Select "Adjust clock for daylight saving changes" and then configure the DST setting. Setting the date and time automatically Adjust automatically: Adjust DST automatically according to the time zone. You can set the date and time of this unit automatically by using an NTP server via the Internet. Note Notes To adjust DST automatically, this unit must be connected to the Internet. • To use an NTP server, this unit must be connected to the Internet.
3 Select when to connect to the NTP server for clock synchronization. Inquiry time at startup: Synchronize the clock at startup of this unit. Inquiry time at: Synchronize the clock at a specified time. y If you select "Inquiry time at", select a day to synchronize the clock. • monthly on the day: Synchronize the clock monthly on the specified day. • weekly on: Synchronize the clock weekly on the specified day of the week. • daily: Synchronize the clock daily. 4 Click "Apply".
Configuring the Network Settings 1. Specifying an IP address of this unit's LAN port 5 Click on the link to access to the new IP address and then click "Close". According to the LAN environment where this unit is used, configure the IP address netmask settings of this unit. y "192.168.100.101/24" is assigned to the LAN port by default. If you want to change the IP address, use an IP address which is not used by other external devices in the same network. 1 Click "IP Settings".
2. Specifying a default gateway 5 Click "Close". Follow the procedure below to specify a default gateway for this unit. 1 Click "IP Settings". The "IP Settings" screen appears. 2 In the "Default Gateway" field, click "Edit". The "IP Settings" screen appears again. The "Default Gateway Settings" screen appears. 3 Select "Specify" and then enter the IP address of the default gateway in the "IP Address" field. 4 Click "Apply". The confirmation screen appears.
3. Specifying a DNS server 5 Click "Close". Follow the procedure below to specify a DNS server for this unit. 1 Click "IP Settings". The "IP Settings" screen appears. 2 In the "DNS Server" field, click "Edit". The "IP Settings" screen appears again. CONFIGURATIONS The "DNS Server Settings" screen appears. 3 Select "Specify" and then enter the IP address of the DNS server in the "IP Address" field. 4 Click "Apply". The confirmation screen appears.
Limiting Access to the Web Menu You can limit access to the web menu by PC's IP address or permit access to the web menu only from PCs in the same network. 1 Click "System Settings". The "System Settings" screen appears. 2 In the "HTTP Server" field, click "Edit". 4 Click "Apply". The confirmation screen appears. 5 Click "Close". The "System Settings" screen appears again. The "HTTP Server Settings" screen appears. 3 Configure the access limitation settings.
Controlling Echoes 4 Click "Apply". The confirmation screen appears. 5 Click "Close". The "Echo Canceller Settings" screen appears. 3 Configure the echo canceller settings. The "Sound Settings" screen appears again. 25 CONFIGURATIONS Follow the procedure below to configure the echo reduction level according to your environment. You can configure the settings for MIC/LINE IN1 and IN2 individually. Use: Select whether to use the echo canceller. To use the echo canceller, select "Enable".
Controlling Acoustic Feedback Follow the procedure below to configure the acoustic feedback reduction level according to your environment. You can configure the settings for MIC/LINE IN1 and IN2 individually. Use: Select whether to use the feedback suppressor. To use the feedback suppressor, select "Enable". 1 Click "Sound Settings". Level: Select a cutoff amount of the notch filter The "Sound Settings" screen appears. applied to acoustic feedback frequencies from "-6dB", "-12 dB" and "-18dB".
Controlling Noises Follow the procedure below to configure the noise reduction level according to your environment. You can configure the settings for MIC/LINE IN1 and IN2 individually. 1 Click "Sound Settings". The "Sound Settings" screen appears. 2 In the "Noise Reduction" field, click 4 Click "Apply". The confirmation screen appears. 5 Click "Close". "Edit". CONFIGURATIONS The "Sound Settings" screen appears again. The "Noise Reduction Settings" screen appears.
Adjusting the Input Gain Automatically (Auto Gain Controller) If you are using a boundary microphone, the volume level of sounds picked up by the microphone varies depending on the distance between the microphone and talker. By configuring the auto gain controller settings, this unit automatically optimizes the pickup gain according to the volume level of pickup sounds. You can configure the settings for MIC/LINE IN1 and IN2 individually. 1 Click "Sound Settings". The "Sound Settings" screen appears.
Adjusting the Input Gain for MIC/LINE INPUT If the volume level of sounds picked up by the microphone is too high, the sounds cannot be handled by this unit and will be distorted. In this case, you need to adjust the input gain so that the INPUT LEVEL LED does not turn on in red. You can configure the settings for MIC/LINE IN1 and IN2 individually. 1 Click "Sound Settings". The "Sound Settings" screen appears. 2 In the "Gain" field, click "Edit". CONFIGURATIONS The "Gain Settings" screen appears.
Adjusting the Volume Level Follow the procedure below to adjust the volume levels of the microphone and speakers connected to this unit. 1 Click "Sound Settings". The "Sound Settings" screen appears. 2 In the "Level" field, click "Edit". The "Level Settings" screen appears. 3 Configure the volume level of each device. : Select "MIC" or "LINE" depending on the device connected to CONFERENCE OUT. Slider bar: Adjust the volume level. MUTE: Temporarily turn off (mute) the microphone or speakers.
Using the Internal Mixer You can select whether to output audio input through MIC/LINE to LINE OUTPUT. You can configure the settings for MIC/LINE IN1 and IN2 individually. 1 Click "Sound Settings". 5 Click "Close". The "Sound Settings" screen appears. 2 In the "Mixer" field, click "Edit". The "Mixer Settings" screen appears. The "Sound Settings" screen appears again. CONFIGURATIONS 3 Configure the internal mixer settings.
Configuring the Phantom Power Settings If the DIP switch (PHANTOM) is set to ON, you can select whether to supply the phantom power thorough MIC/LUNE IN1 and IN2. 3 Configure the phantom power settings. Do not turn on the phantom power when a device which does not require a phantom power is connected to MIC/ LINE INPUT. Incorrect settings may cause a malfunction of the external devices.
Configuring This Unit's Settings Automatically (Auto Analyzer) The auto analyzer function automatically sets the echo canceller and feedback suppressor settings best suited for your environment (types of microphone and speakers, size of conference room, etc.). 1 Click "Sound Settings". The "Sound Settings" screen appears. 2 In the "Special Function" field, click "Execute". CONFIGURATIONS The "Auto Analyzer" screen appears. 3 Click "Auto Analyzer Start".
Turning On/Off the Audio Guidance Follow the procedure below to turn on/off the audio guidance which notifies you of events during the auto analyzer process. Also, you can set the volume level of the audio guidance. 1 Click "System Settings". 5 Click "Close". The "System Settings" screen appears. 2 In the "Audio Guidance" field, click "Edit". The "System Settings" screen appears again. The "Audio Guidance Settings" screen appears. 3 Configure the audio guidance settings.
Maintenance and Management You can use various maintenance and management features of this unit with the web menu. Checking configurations and status You can output a report that shows the configurations and status of this unit as a text file. 1 In the web menu, click "Maintenance". The "Maintenance" screen appears. 2 In the [Make Report] - [Output Reports to Checking the configuration information This unit internally manages configuration information with a config file.
■Saving the configuration information on your PC ■Saving the configuration information on this unit Follow the procedure below to save the current configurations as a text file. Follow the procedure below to save the current configurations on this unit. You can save up to three sets of configurations. 1 In the web menu, click "Maintenance". The "Maintenance" screen appears. 1 In the web menu, click "Maintenance". The "Maintenance" screen appears.
4 Enter a comment and then click "Apply". You can input a comment if necessary. The comment will be displayed under "Save Time" in the "Save/ Load Configuration" screen. ■Recalling configurations saved on this unit 1 In the "Save/Load Configuration" screen, click "Load" next to the desired memory number. The confirmation screen appears. 5 Click "Close". The confirmation screen appears. 2 Click "OK". OPERATIONAL MANAGEMENT The "Maintenance" screen appears again.
Checking the system logs This unit records the operation history as system logs (SYSLOG). ■Configuring the log settings Follow the procedure below to change the contents of logs to be output or specify where to save log files. 1 In the web menu, click "Maintenance". Host Address: Specify where to save log files. Select "Specify" and then enter a destination IP address. DEBUG: Select whether to output information about the internal processing of this unit.
■Viewing the system logs Follow the procedure below to display the system logs (up to 500 lines) on the PC monitor. 1 In the web menu, click "Maintenance". The "Maintenance" screen appears. 2 In the [SYSLOG Management] - [Output SYSLOG to Window] field, click "Execute". The "Output SYSLOG to File" screen appears. 3 Right-click "SYSLOG File" and then select "Save Target As". OPERATIONAL MANAGEMENT The system logs are displayed.
2 In the [SYSLOG Management] - [Delete SYSLOG] field, click "Execute". The "Save SYSLOG" screen appears. 3 Click "Save". The "Delete SYSLOG" screen appears. 3 Click "Delete". The confirmation screen appears. 4 Click "Close". The confirmation screen appears. 4 Click "Close". The "Maintenance" screen appears again. ■Deleting the system logs Follow the procedure below to delete the current system logs. 1 In the web menu, click "Maintenance". The "Maintenance" screen appears.
Checking the error history You can check the history of errors occurred on this unit. This may bring an early solution to system problems. ■Saving the error history on your PC Follow the procedure below to save the error history as a CVS file. ■Viewing the error history y You can save the error history which you can view by carrying out "Viewing the error history". Follow the procedure below to display the error history (up to 1500 events) on the PC monitor. 1 In the web menu, click "Error History".
■Saving the error history on this unit Follow the procedure below to save the error history to this unit's built-in flash memory. 4 Click "Close". 1 In the web menu, click "Maintenance". The "Maintenance" screen appears. 2 In the [Error History Management] [Save Error History] field, click "Execute". The "Maintenance" screen appears again. ■Saving the error history automatically You can set the interval to automatically save the error history to this unit's built-in flash memory.
3 Select an interval to automatically save the error history and then click "Apply". The confirmation screen appears. 4 Click "Close". The "Delete Error History" screen appears. 3 Click "Delete". OPERATIONAL MANAGEMENT The "Maintenance" screen appears again. ■Deleting the error history Follow the procedure below to delete the current error history. 1 In the web menu, click "Maintenance". The confirmation screen appears. 4 Click "Close". The "Maintenance" screen appears.
Special Functions Protecting the settings 4 Click "Close". You can protect the settings of this unit. 1 In the web menu, click "Maintenance". The "Maintenance" screen appears. 2 In the [Special Functions] - [Config Protection] field, click "Execute". The protection is enabled and the "Maintenance" screen appears again. To disable the protection 1 In the [Special Functions] - [Config Protection] field, click "Execute". The "Config Protection" screen appears. 2 Click "Protect Release".
Restarting this unit 4 Click "Close". You can forcibly quit all the operations in process and restart this unit. 1 In the web menu, click "Maintenance". The "Maintenance" screen appears. 2 In the [Special Functions] - [Restart] field, click "Execute". The unit restarts. OPERATIONAL MANAGEMENT The "Restart" screen appears. 3 Click "Apply". The confirmation screen appears.
Changing the Screen Color You can change the screen color of the web menu. 1 In the web menu, click a desired color chip. The screen color changes.
Using the Latest Features You can download the firmware (program to control the functions of this unit) to use the latest features. There are two ways to update the firmware of this unit: One way is that you connect this unit to the Internet and automatically install the latest firmware (page 47). The other way is that you download the firmware to a PC and install it manually (page 49). Flow of Firmware Update To update the firmware, this unit must be connected to the network.
The firmware update process takes a few minutes During the firmware update process, the LEDs turn on in rotation. Never turn off this unit while the LEDs are turned on. 3 Configure the automatic firmware update settings. When the firmware update is complete This unit restarts automatically. Confirm that the version number has been updated in the "Software Revision" field in the "Top Page" screen of the web menu.
Updating the firmware manually If you cannot connect this unit to the Internet directly, you need to download the latest firmware to your PC, and then install it using TFTP. 1 Confirm the current version number. Check the version number displayed in the "Software Revision" field in the "Top Page" screen of the web menu. 2 Download the latest firmware to your PC. Access the following website and download the latest firmware. Projectphone website: http://www.yamaha.co.
Troubleshooting Basic check • Is the POWER LED turned on? If not, see page 51. • Is the LINK LED above the LAN port turned on? If not, see page 51. Checking the LED status If the LEDs turn on, there is a communication failure. See page 51. Solving problems Consult one of the following description pages according to the problem.
Q1: LEDs are off or blinking Problem No LEDs turn on. The LINK LED above the LAN port does not turn on. The INPUT LEVEL LEDs do not turn on. The PHANTOM/VOLUME/DIP SW LEDs are blinking. Cause Remedy This unit is not turned on. Set the power switch to on. The power cable is not connected to the AC outlet. Check that the power cable is connected to the AC outlet properly. The main or branch circuit breaker is shut off. • If the circuit breaker is tripped to off, set it to on.
Q2: Web menu settings are not available Problem Cannot access the web menu. Cause Remedy This unit does not recognize the PC. (The LINK LED above the LAN port does not turn on.) Refer to “The LINK LED above the LAN port does not turn on.” (page 51) The PC's network settings are incorrect (other PCs and printers on the LAN are not functioning). • Reconfigure the LAN board or LAN card settings and then reboot the PC. This unit is malfunctioning. Initialize this unit and then reconfigure the settings.
Q3: Have an audio problem Problem The audio from the PC or videoconference system cannot be heard or is distorted. The audio output to the PC or videoconference system cannot be heard or is distorted. This unit generates echoes. Cause Remedy The input level setting is incorrect. Configure the input level setting on the device connected to this unit. The input level of CONFERENCE IN is too low. Increase the input level. (page 30) The output level setting is incorrect.
Q4: Other problems Problem Cannot synchronize the clock with an NTP server. Cause The IP address or domain name of the NTP sever is incorrect. Remedy • Check that the settings match the NTP server information. • Ping the NTP server to confirm that it is functioning. A route to connect with the specified NTP server has not been set. Check the Internet service provider settings or route settings. An incorrect time is not displayed. The time zone setting is incorrect.
List of Error Messages Patterns of front LEDs MIC/LINE IN1 Error type CONFERENCE PHANTOM GAIN KNOB DIP SW Blink green/red Blink green, On red Blink green Off Blink green Blink green Detects a problem during system startup. Blink green/red Blink green, On red Blink green, On red Off Blink green Blink green Firmware update failed. Blink green/red Blink green/red Blink green/red Off Blink green Blink green Detects a material error.
Resetting the Settings of This Unit Resetting all settings You can reset the web menu settings and settings internally saved in this unit to the default. Notes Please note the followings when you reset the settings of this unit. • This operation will disconnect all the calls being connected. • This operation will restore the factory default values (if available). • This operation will overwrite data stored in the nonvolatile memory. • You cannot undo the reset operation.
Support Information In case you are in need of support, visit the following website or contact the nearest authorized Yamaha dealer or service center. ■Checking log information and setting configurations A Yamaha representative may ask for log (SYSLOG) or configuration (config) information in order to understand the situation. The problem may be easier to fix if you provide log and configuration information along with a description of your problem.
Specifications General specifications Dimensions (W x H x D): Noise reduction: 270 mm x 42.6 mm x 180 mm (10-5/8" x 1-3/4" x 7-1/8") 17 dB maximum Weight: LINE OUTPUT (L/R): Stereo RCA pin-jacks CONFERENCE (IN/OUT): Stereo mini jacks MIC/LINE INPUT: XLR/PHONE combo jacks 2ch (48-V phantom power supply supported) 850 g (1.
Input specifications Input level Terminal Specification XLR, balanced type IN1&2 (MIC) Rated input level Maximum input level -60 dBµ to -20 dBµ -6 dBµ Input impedance 3 kΩ 50 to 600 Ω MIC/LINE INPUT (IN1/IN2) CONFERENCE IN XLR, balanced type IN1&2 (LINE) -30 dBµ to +10 dBµ +20 dBµ TS PHONE, unbalance type IN1&2 (MIC) -60 dBµ to -20 dBµ -6 dBµ TS PHONE, unbalance type IN 1&2 (LINE) -30 dBµ to +10 dBµ +20 dBµ -7.8 dBµ 0 dBµ Mini jack, unbalance type Mics/Lines 2.
(February 2010, 3rd edition)
