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3
4 Operation
4.1 Hardware Description
The PowerPack for Earthmate GPS with Bluetooth has two LED light which each has two colors. One
is GPS & Charge status LED, that is named LED 2, and the other is Bluetooth & low power status
LED, that is named LED 1. The status table of LED shows as follows:
<State Table of LED>
LED1
Bluetooth & UART transmitting status
Description
LED1 Color and Action
Bluetooth Active
UART Active
Blue(
Bluetooth status)
Yes No
Yellow(
UART transmitting status)
No Yes
<Note>When you use RS232 DB9 cable to connect PowerPack and enable the UART transmission,
Bluetooth function will disable and the LED 1 only shows yellow.
LED2
Lithium Battery Status&Charge LED
Description
LED2 Color and Action
Battery Charged
Low Powered
Dark No
No
Green Solid
Yes
No
Red No
Yes
4.2 Turn on/off
Notice You have to install the Earthmate GPS receiver to PowerPack
device before the PowerPack for Earthmate GPS with
