Remark:
1.A 10S reminder will sound when the countdown ends, this alarm will
sound in all modes, and the countdown time will be automatic return the
start value after the alarm sounds and press any key to abort the reminder
during the ringing process
2.The countdown start time is set in units of 1 second and has a maximum of
24 hours
3. Countdown operation:
C key (start) C key (stop) C key (resume) Ckey (stop) A key (reset).
Two-way calibration
Compass mode
Alarm Mode
Normal display:
Key function:
Press the [A] key: Press and hold 2S to enter the setting state
Short press to turn on/off the alarm and the hourly time signal
Press the [B] key: Short press to switch to time mode
Press the [C] key: Short press to switch the number of alarm groups: AL1→ AL2
→AL3→AL4→AL5→SIG→AL1
Long press 2S to test the alarm
Press the [D] key: short press to light the backlight
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