CCL ELECTRONICS LTD 3110A1703 Manuel D’Utilisation

Thank you for purchasing this delicate Big Digit Multi-Channel Wireless 

Thermo-Hygrometer with Self-Calibration & Auto-Night Light. Utmost 

care has gone into the design and manufacture of the clock. This 

manual is used for US version. Please read the instructions carefully 

according to the version you purchased and keep the manual well for 

future reference.

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1.

 - In normal mode, press once for 5-second backlight.

 - When using the 

[ LIGHT ] key to activate the backlight, operating

other function keys will re-time the 5-second backlight. 

2. [ CHANNEL / + ] key

 - In temperature and humidity calibration mode, press to increase

the value.

 - In normal mode, press to switch between 

INDOOR, Channel 

1,2,3,4,5,6,7 and 8.

 - In normal mode, press and hold for 2 seconds to enter auto-

cycle mode that 

Channel 1~8 and INDOOR’s temperature 

and humidity readings will alternately be displayed at 4 second 

intervals. The “   ” icon will display during auto-cycle mode.

 - During auto-cycle mode, press once to return to normal mode. 

3. [ MODE ] key

 - In temperature and humidity calibration mode, press once to

switch between setting options.

 - In temperature and humidity calibration mode, press and hold for 

2 seconds to clear modified data in order to display sensor’s data.

4.

[ MEM / - ] key

 - In temperature and humidity calibration mode, press to decrease

the value.

 - In normal mode, press once to check maximum and minimum 

temperature and humidity records. Press again to return to 

normal mode.

 - When the maximum and minimum temperature and humidity 

records are displayed, press and hold for 2 seconds to erase the 

current records.

5.

[ TUNE ] key

 - In normal mode, press and hold for 2 seconds to enter

temperature and humidity calibration mode.

 - In temperature and humidity calibration mode, press and hold for 

2 seconds to return to normal mode.

6. Auto night-light slide switch

 - Slide to 

[ ON ] position to activate night-light function. When it

is ON, the backlight will automatically turn on in dim and dark 

environment detected by the light sensor. The brightness of night-

light is weaker than normal backlight.

 - Slide to 

[ OFF ] position to turn off the night-light function

7.

[ °C / °F ] key

 - Press to switch between °C/°F.

8.

[ SENSOR ] key

 - In normal mode, press once to manually enter current channel’s

receiving mode. The unit will receive active sensor’s signals for 5 

minutes and erase the current channel’s records

9.

[ RESET ] key

 - Press once to perform overall function and display option resets.

 - In case of malfunction, the unit may be required to reset.

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1. Transmission status LED

 - Flashes when the sensor is transmitting.

2. Wall mounting holder

3.

[ CHANNEL ] slide switch

 - Assign the sensor to 

Channel 1,2,3,4,5,6,7 or 8.

4.

[ RESET ] key

 - Press to restart the sensor.

5. Battery compartment

 - Accommodates 2 x AA size batteries.