Introduction
Getting Acquainted
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The diagnostic feature of the FH915 system provides the information to monitor and maintain user’s
communications link. The output transmit power, received signal strength (RSSI) and data decode
performance are transmitted online without application interruption.
The product is designed for maximum performance and reliability even in the harshest environments.
1. Getting Acquainted
The HPT901BT is a rugged and very powerful external radio transceiver 5.75 x 2.95 x 1.73 inches (146 x
75 x 44 mm),
weighs 1.3 lbs (0.
488 kg); HPT901BT with battery dimensions are 3.11 x 5.94 x 2.87 inches
(79 x 151 x 73 mm), and it weights 2.2 lbs (1 kg) .
1.1. LEDs
External LED's are used for Link and Line status indication:
Position
LED
Name
Color
Description
1
PWR
Green
Solid - external power is connected, battery charger is off.
Blinking every 1 second - external power is connected, the battery is being charged
Blinking every 4 seconds - external power is not connected, internal battery is being used
as power source
Blinking every 0.5 second - external power is not connected, the battery is near to full
discharge
OFF - external power is not connected
2
RX
Green
ON - radio receives data
3
TX
Green
ON - radio transmits data
4
BT
Blue
OFF - Bluetooth® is OFF;
Solid blue - Bluetooth® is ON;
Blinking if radio receives or transmits data over Bluetooth®
