ComNav T300 + CGSurvey User Guide
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When the receiver is connecting to Controller or PC and receiving commands.
C. Internal memory is run out
When the internal memory of the receiver is run out, the data logging LED and
differential LED both flash 1/s simultaneously.
Power button:
To turn on the receiver, press the button for about 1 second, all the five LEDs above
light up simultaneously and remain lit for 3 seconds.
To turn off the receiver, long press the power button until all the LEDs off.
The states of the LEDs under different conditions are listed in the table below:
3.4 Power Supply
We have two methods for T300 power supply: internal power supply and external
power supply. They will be introduced in this section.
Internal Power Supply
Two rechargeable Lithium-ion batteries are supplied with the receiver. The T300
receiver adopts the hot swap battery design which can effectively reduce the power
consumption and make the whole system work more efficiently.
If you put one battery in T300, the corresponding battery LED will light; if you put
two, receiver will use battery A first and the left battery LED will light; if battery A is
run out, right battery LED for battery B will light.
When the warning sounds and LEDs flash, put another battery in the empty battery
container or replace the battery whose light is off.
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