User manual

Chapter Six Troubleshooting
man_905-105_2.9 Page 57
905U-2/105S-2 Modules
Digital Inputs
DIN SETPNT PULSED
1234MSL123456 PIN1 PIN2 PIN3 PIN4
0000100111111 0000 0000 0000 0000
Analog Inputs
VBAT PR1 PR2 PR3 PR4 AI1 AI2 AI3 AI4 AI5 AI6
8138 4000 4000 4000 4000 0D3A 0CD2 0CC7 0CC7 0CD4 0CC7
905U-3/105S-3 Modules
ML VBAT VSLR
00 9FA2 0000
905U-4/105S-4 Modules
Digital Inputs
DIN DIO PULSED
1234 123456789ABC MLS PIN1 PIN2 PIN3 PIN4
1001 010101010 001 101 0001 0001 0001 0001
Analog Inputs
VBAT PR1 PR2 PR3 PR4
8DBE 0000 0000 0000 0000
Tones (905U modules only)
This provides the same function as described above in 6.2.2. Tone Reversals. This function may be
used to check VSWR of antennas, and may be used in conjunction with the Signal option (described
below) to check the path between two units.
Comms
This function allows monitoring of all messages transmitted and received over the radio. Transmitted
messages are displayed starting in the leftmost column of the display. Received messages are displayed
with the received signal strength preceding the message. The first four hexadecimal digits are the
system address attached to the message, and must match for units to communicate successfully.
The received signal strength is in negative dBm - the lower the measurement, the stronger the radio
signal. A measurement larger than 95 indicates a weak radio signal.