Check List for RT-505/PRC-25

©Brooke Clarke, N6GCE

This page is from TM 11-5820-398-12 that can be used to check out an RT-505/PRC-25.
 
 
Radio Serial No.  Date Checked
 
by: 
Step
Action
Normal Indication
Chk
Corrective Measures
1
Install desired antenna in antenna mount
n.a.
 
n.a.
2
Connect handset to either AUDIO connector.
n.a.
 
n.a.
3
Set VOLUME control to 5
n.a.
 
n.a.
4
Set function switch to LITE Channel dial lights.   Replace battery.
5
Set function switch to ON Rushing noise is heard in handset or received signal is heard.   a. Connect handset to other AUDIO connector.
b. Check handset by substation
c. Replace battery
6
Set function switch to SQUELCH Rushing noise is not heard when there is no received signal   Higher category repair is required
7
Set up a nearby radio (known to be good) to transmit on authorized channel in low (30 - 52 MHz) band (if possible) and turn RT-505/PRC-25 to this channel.  Obtain a long voice test signal from nearby radio Test signal is received and heard loud and clear   If received test signal is weak, check antenna and antenna connection
8
Set up a nearby radio (known to be good) to transmit on authorized channel in high (53 - 75 MHz) band (if possible) and turn RT-505/PRC-25 to this channel.  Obtain a long voice test signal from nearby radio Test signal is received and heard loud and clear   Higher category repair is required.
9
Adjust a nearby radio to transmit on channels listed below (if authorized).  Obtain long voice test signal on each channel.  Tune RT-505/PRC-25 to each channel in order given below:
30.00 MHz
30.05
30.10
30.20
30.30
30.40
30.50
30.60
30.70
30.80
30.90
Test signal is received and heard loud and clear on each channel   Record channels not received. 
Higher category repair is required.
10
Adjust a nearby radio (known to be good) to receive test signals transmitted by RT-505/PRC-25.  Press Push-To-Talk switch of handset connected to RT-505/PRC-25 AUDIO connector and send long voice signal Test signal is heard loud and clear at nearby radio; sidetone is heard in handset.   a. Check handset by substitution.
    If signal cannot be received at all, higher category repair is required.
b.  Tune nearby radio to several channels on both sides of operating channel.  If signal is received off channel, higher category repair is required.

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This is the  time this page has been accessed since 17 Nov.. 2001.