User's Manual

3. Led Status Instructions
Led Instruction
Power led
(yellow)
Always on
In normal voltage: internal battery voltage >7.6V,
external battery voltage >12.6V
Power led
(red)
Always on
In normal voltage: 7.2V＜internal battery voltage
≤7.6V, 11V＜external battery voltage ≤12.6V
Slo w flash Low power-pressure: inter≤7.2V，e xterna l≤ 11V
Fast flash
Power status hints: one to
four times of one
minute
Always on
GSM module has been connected to internet
server successfully
Slo w flash
GSM module has been connected to internet
successfully
Fast flash GSM module is trying to connect to internet server
Data led (red
led for
status)
Slo w flash
1. getting correction data via GSM or radio (only
receiving corrections for rover while transmitting
for base)
2. collection static data in static mode
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