CCL ELECTRONICS LTD 3110A1703 Manuel D’Utilisation

3.  Perform a manual reset or press and hold 

[ MEM / - ] key for 

2 seconds when the unit is displaying MAX/MIN records or in 

normal mode to erase the records.

WIRELESS SENSOR SIGNAL RECEIVING AND DISPLAY
1.  In normal mode, press 

[ SENSOR ] key once to start receiving 

and reset the current displaying channel. The signal icon will flash 

along.

  For example, when 

CH1 is displayed, pressing [ SENSOR ] key 

will start receiving for 

CH 1 only.

2.  The signal icon will flash until the reception succeeded. If no 

signal is received within 5 mins the icon will disappear. 

Receiving wireless signal after 

manual reset or the 

[ SENSOR ] 

key is pressed

 

When waiting for signals, “--” will 

display in the readings field

Fair wireless sensor signal

 

3.  In normal mode, press 

[ CHANNEL / + ] key to switch the display 

between 

INDOOR and CHANNEL 1~8.

4.  In normal mode, press and hold 

[ CHANNEL / + ] key for 2 

seconds to toggle auto-cycle mode, which alternately displays the 

channels at 4 second intervals. The “   ” icon will show on the 

display.

5.  During auto-cycle mode, press 

[ CHANNEL / + ] key once to stop 

auto-cycle and display the current channel.

6.  To check the validity of the signals from each wireless sensor, 

press 

[ CHANNEL / + ] key repeatedly in normal mode to display 

each channel. Using auto-cycle mode will only display the 

communicated channels.

  For example, when 

CHANNEL 1 and 5 have received the signals 

from the corresponding sensors, you can press and hold  

[ CHANNEL / + ] key for 2 seconds to display the readings of 

INDOOR, CHANNEL 1 and 5. 

 

 

7.  If the signal for 

Channel 1~8 has discontinued and does 

not recover within 1 hour, the signal icon will disappear. The 

temperature and humidity will display “

Er” for the corresponding 

channel.

8.  If the signal does not recover within 48 hours, the “

Er” display will 

become permanent. You need to replace the batteries of the “

Er” 

channel’s sensors and then press

 [ SENSOR ] key to pair up with 

the sensors per each “

Er” channel again.

You need to press 

[ SENSOR ] key to manually receive the sensor’s 

signal after you’ve placed the new batteries to the wireless sensor, or 

the main unit fail to receive the wireless sensor’s signal.

THE LOW TEMPERATURE ICON
When the outdoor temperature is 37.4°F or below, the low 

temperature icon “   ” will display.

THE LOW BATTERY ICON 
If the main unit or sensor is low in battery, the low battery icon “ 

 ” 

will display. The icon will only appear when the corresponding

channel is displayed.

For example, the sensor of 

CHANNEL 1 is low in battery. When 

CHANNEL 1 is displayed, the icon “   ” will show. 

 - Attention! Please dispose of used unit or batteries in an 

ecologically safe manner.

 - Always place the unit away from interfering sources such as TV 

set, computer, etc.

 - Avoid placing the unit on or next to metal plates.

 - Technical specifications and user manual contents for this product 

are subject to change without notice.

SPECIFICATION
MAIN UNIT
Indoor operating temperature range  23°F ~ 122°F (-5°C ~ 50°C)
Humidity display range

1% ~ 99 %

Resolution of temperature

0.1°C/°F

Resolution of humidity

1%

Wireless SENSOR
Outdoor operating temperature 

range (based on Lithium battery)

-40°F ~140°F ( -40°C ~ 60°C)

Outdoor operating humidity range

1% ~ 99 %

Resolution of temperature

0.1°C/°F

Resolution of humidity

1%

Wireless sensor signal

433MHz

No. of remote sensor

Up to 8 units

RF transmission range

Maximum 30 meters

POWER
Main unit

1.5V AA X 4 (alkaline battery recommended)

Wireless sensor 1.5V AA X 2 (alkaline battery recommended)

DIMENSION
Main unit

130(W) x 112 (H) x 27.5(D)mm

Wireless sensor

61(W) x 113.6 (H) x 39.5(D)mm