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3.4 Alarm set

1. Hold "Alarm" key for 2 second to enter into alarm setting.
2. The sequence of alarm setting: Hour → Minute → exit.
3. There will have 1Hz fl ashing during setting.
4. Press "Up" one time, the setting will go ahead for one step; hold the keys for 2 seconds, it will
run forward by 8 steps/seconds.
5. Press "Down" one time, the setting will backward for one step; hold for 2 seconds, it will run
back by 8 steps/second.
6. Press "Alarm" to confi rm the setting, and enter the next setting state.
7. The system will exit automatically if no key is operated in 8 seconds.
3.5 Temperature alarm setting.
1. Hold "ALERT" 2 second into ALERT setting.
2. Setting sequence: upper limited → lower limit → exit
3. Press "CH" key when setting upper limit and lower limit to change different channel.
4. Default of upper limit is: +70°C, lower limit is -50°C.
5. 1Hz will fl ash during setting.
6. Press "ALERT" key confi rm the end of setting then enter into next setting.
7. Press "Up" one time, the setting will go ahead for one step; hold the keys for 2 seconds, it will
run forward by 8 steps/seconds.
8. Press "Down" one time, the setting will backward for one step; hold for 2 seconds, it will run
back by 8 steps/second.
9. The system will exit automatically if no key is operated in 8 seconds.
10. Alert will automatically turn on when setting is fi nished.
Function and effect
4.1 The receiving function of RF
1. After installing the battery and checking temperature/humidity, it will enter RF receiving state
automatically for 3 minutes.
2. Under normal display mode, hold the "CH" key for 2 seconds to clear out the channel
information.
3. If there is no effective signal with same ID code received for the current channel in 35 minutes,
the temperature of that CH will shows "--.-".
4. The temperature display will resume back when the correct signal is received again.
4.2 The function of alarm
1. The BUZZER will ring as below:
a. 0 – 10 sec.: one "beep" per second
b. 10 – 20 sec.: two "beep" per second
c. 20 – 30 sec.: four "beep" per second
d. After 30 sec.: "beep" continuously
2. When ringing, click "SNOOZE" key once to enter into 5 minutes snooze mode, exit if any other
key is pushed.
4.3 The function of temperature and humidity
1. The indoor temperature display range: 0°C ~ +50°C (32°F ~ +122°F)
2. The indoor humidity display range: 20%-95%
3. Sampling period: 15 seconds.
4. The temperature sampling will be held when the alarm is ringing
4

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