User's Manual
Table Of Contents
2.5 Alarm setting
1) In the standard mode, press and hold the [ALARM] key for more than 2 seconds to enter the
alarm time setting mode accordingly. After entering, the time bar will automatically switch to the
alarm time display, and its setting items will be displayed and flashing.
2) In the alarm time setting mode, press the [ALARM] key to confirm the result of the setting item
and switch to the next setting item. The sequence of the setting items: ALARM time hour →
ALARM time minute → exit
3) In the standard mode, single press the [ALARM] key once to query the ALARM time. At this time,
the time display will switch to the ALARM display, and the week bar will display the AL character;
at this time, press the [ALARM] key once again, and the alarm will turn on. The symbol “ ” is
displayed. Press again to turn off the alarm and the symbol “ ” is not displayed.
4) In the ALARM query mode, single press the [SET] key once to exit the ALARM query mode and
return to the normal time display mode
5) In the ALARM query mode, it will automatically return to the normal time display mode after 20
seconds of no key operation
6) When the alarm is on (the symbol “ ” is displayed), when the time elapses to the set alarm time,
the host will send out a buzzer alarm for 2 minutes, and the corresponding open alarm symbol
when the alarm is sounding Display and flash.
7) When the alarm is in progress, press any key other than the [SNOOZE] key or do nothing until the
alarm is over for 2 minutes, stop the alarm, do not enter the snooze mode, and wait until the
next alarm time Enter the alarm.
8) When the alarm is in progress, press the [SNOOZE] key to stop the alarm and enter the snooze
mode. The time is 5 minutes. The corresponding alarm symbol " " and the snooze symbol " "
are displayed and flashing. When the snooze timer expires , Enter the alarm again. If you press
the [SNOOZE] key again, it will enter the snooze mode again, and you can cycle the snooze. If you
press any key other than the [SNOOZE] key after the alarm, or do nothing until the alarm is over
for 2 minutes, stop the alarm and do not enter the snooze mode, wait until the next alarm time
to enter the alarm again .
9) In the snooze mode, press any key except the [SNOOZE] key to exit the snooze mode, the alarm
symbol “ ” will not flash, and the snooze symbol “ ” will not be displayed.
10) The alarm time is 2 minutes, and the sound format of the alarm is divided into 4 sections: 0-9
seconds: one BI beep per second, 10-19 seconds: BI BI two beeps per second, 20-29 seconds: BI
BI BI BI four beeps per second, starting from 30 seconds, four consecutive BI BI BI BI beeps, until
the end of the alarm.
3.5 RF reception instructions
1) After power on, the host automatically enters the RF receiving mode for 3 minutes, receiving
the RF signal transmitted by the transmitter, and the received OUTDOOR temperature and
humidity values are displayed. During long-term reception, the RF signal symbol " " flashes
at a frequency of 1 Hz, . After the RF signal is successfully received, turn off the RF receiving
mode. After receiving the signal, the symbol " " will be displayed for a long time.
2) When the jumper is selected as 3CH, the RF receiving channel is 3CH, and the default is 1










