FD Motors F3-A Instructions Manual page 11

2.4 LCD characteristics:
1. Operating temperature: -30 ° C ~ +80 ° C
Display effect check method:
(1) When there is no backlight, there is no obvious base shadow at
the lower 30 degree angle; the lower 60 degree angle number is
easy to recognize.
(2) When there is no backlight, the vertical viewing angle should
not be dim.
2.5 Backlight color: blue (the backlight level is the brightness
saved in the last shutdown, the default backlight level is 100%)
3. MCU CAN
3.1.LCD SEGMENT OPERATION
3.2.BUZZER OPERATION:
After KEY is ON, if get MCU Stand by, the buzzer
one time for 2 second. And the "FD motors"
sound
appear. It means it ready to go.
4. BATTERY CAPACITY WARNING SEGMENT:
(When entering 0~20% SOC by can)
10
beeping