TM 11-7025-221-10
3-4. Activate Loopback Option Procedure - Continued.
Demux Loopback Procedures - Continued
Step
Operation Action/Message Displayed
4
Press "1" or "2" key for memory to be used (alternate memory). Then press ENTR key.
5
Press (1-4) Key for selected Rmux (represents demux to be placed in Ioopback. Tnen press
ENTR key.
6
Press "1" key and then press ENTR key.
7
Press "1" key and then press ENTR key.
8
Check that above message is displayed.
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