4
17
8. ALM ON/OFF key:
- In normal time mode, press it to turn on/off alarm1 &
alarm2.
- In alarm time mode, press it to turn on/off alarm and
temperature pre-alarm.
- In alarm time mode, press and hold it for 2 seconds to
enter the alarm time setting mode.
- In alarm time setting mode, press it to step the setting
items.
- Press it once to stop the current alarm when it is sounding.
9. SYNC key:
- Press and hold it for 3 seconds to turn on/off the signal
reception of transmitter (915 MHz) manually.
10. CHANNEL key:
- Press it to switch between channel 1 and 2.
- Press and hold it for 2 seconds to show the channels
automatically, and press it once again to exit the
automatic display mode.
11. °C/°F key:
- Press it to switch between Celsius and Fahrenheit.
12. RESET key:
- Press it to reset all values to default values.
- In case of malfunction, the unit may be required to reset.
RF transmission frequency:
No. of remote unit:
RF transmission range:
Radio controlled signal:
Power
Main unit:
Remote sensor:
Dimension
Main unit:
Remote sensor:
915 MHz
up to 2 units
330 feet (100 meters)
WWVB
3V, use 2 x AA 1.5V
alkaline battery
3 V, use 2 x AA 1.5V
alkaline battery
295 (W) x 195 (H) x 25 (D) mm
40 (W) x 132 (H) x 24 (D) mm