RoyalTek RGM-3800 - Manual (Page 9)

lower than 1%), the Battery LED flashes more frequently and
please replace the batteries.
If Battery low, The RGM-3800 will stop to log GPS position
data.
2.5. Usage Tip
2.5.1. Inserting the Battery
Insert the batteries with the correct polarity +/-
2.5.2. Turn on Receiver and Wait for GPS Fix
When user use the GPS Receiver, direct and hold the antenna
side upward or outward
Note: The receiver can’t receiver the gps signal when it is in the
metallic bag, or when it is covered with a metallic object.
2.5.3. Connect to PC or Notebook
When connecting the receiver to PC or Notebook, it doesn’t
need batteries as the power is supplied from the computer.
User can view the GPS log file recorded using the supplied
software.
Refer the supplied software application user manual to install
the software utility.
User can use the supplied utility to change recording interval,
configuration setting, and exporting the log data to PC or
Notebook.
2.5.4. How to replace AAA Battery
Alkaline batteries are recommended.