User's Manual

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MULTI-CHANNEL CABLE FREE REMOTE THERMO-HYGRO SENSOR

MODEL: C-846

USER’S MANUAL

INTRODUCTION

Congratulation on your purchasing of the C-846 Remote Sensor. The Remote Sensor is used with the

Chung’s 433MHz multi-channel In-Out wireless weather station to monitor the temperature and

humidity changes of remote or outdoor sites. Operation is easy and no wire installation is required.

MAIN FEATURES

1. LED INDICATOR

Flashing when the sensor transmitting a reading.

2. LCD

Indicates the selected channel, displays the current temperature and humidity alternately.

3. CHANNEL SLIDE SWITCH

Designate the channel of the sensor to Channel 1, Channel 2 or Channel 3.

4. RESET BUTTON

Reset all settings to default values

5. WATER RESISTANT RING

Prevent the unit from water penetrating.

6. BATTERY COMPARTMENT

Contains 2 AAA size batteries.

7. BATTERY DOOR

Covers the battery compartment

8. WALL-MOUNT HOLDER

Support the sensor on wall

9. FOLDING TABLE STAND

For standing the unit on a flat surface

BEFORE YOU BEGIN

For best operation, please read the follows:

1. Assign different channels to different sensors.

2. Insert 2 AAA batteries for the sensors before doing so for the weather station.

3. Place the weather station as close as possible next to the sensor; reset the weather station after

installing batteries.

4. Place the receiver and transmitter away from metal objects and electrical appliances to minimize

the interference. Position the sensor and the main unit within effective transmission range: about

30 meters in usual circumstance.

Summary of content (4 pages)

PAGE 1
MULTI-CHANNEL CABLE FREE REMOTE THERMO-HYGRO SENSOR MODEL: C-846 USER’S MANUAL INTRODUCTION Congratulation on your purchasing of the C-846 Remote Sensor. The Remote Sensor is used with the Chung’s 433MHz multi-channel In-Out wireless weather station to monitor the temperature and humidity changes of remote or outdoor sites. Operation is easy and no wire installation is required. MAIN FEATURES 1. LED INDICATOR Flashing when the sensor transmitting a reading. 2.
PAGE 2
Note: 1. The building material and the position of the receiver and transmitter affect the effective range. So try various set-ups will help to obtain the best result. 2. Though the transmitter is waterproof and meant to be used outdoors, it should be placed away from direct sunlight, rain or snow. ℉ BATTERY AND CHANNEL INSTALLATION The transmitter uses two AAA size batteries. To install them, do the follows: 1. Unscrew the screws on the battery door. 2.
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1. Do not immerse the unit in water. 2. Do not leave disabled battery in the watch for a long time and be sure to replace it with new ones. If battery fluid leaks out, it may damage movement components. 3. Avoid rough using or dropping the unit. 4. To clean the unit, use a dry soft cloth or a soft cloth moistened in a solution of water and a mild neutral detergent. Never use solvents (such as benzene, spray cleanser). 5. Always read the user’s manual thoroughly before operating the unit.
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Remote relative humidity measuring range: 20% RH to 90% RH Recommended operating range: 20% RH to 90% RH Resolution: 1%RH RF Transmission Frequency: No of remote unit: RF Transmission Range: Temperature sensing cycle: 433MHz up to 3 units Maximum 30 meters around 60 ~ 64 seconds Power: 3 V, use 2 x AAA 1.