OPERATING PROCEDURE

TM 11-6625-1831-13

2-6.

OPERATING PROCEDURE

To test a signal processor with the test set:

FIRST - Prepare test set for use in accordance with paragraph 2-5.

THEN - If you are testing a CM-374/APS-94D, refer to TM 11-5895-967-34 for operating instructions.

OR

- If you are testing a CM-481/APS-94F, refer to TM 11-5895-1078-30 for operating instructions

2-7.

PREPARATION FOR MOVEMENT

Before moving test set:

1. Be sure test panel PWR switch is set to OFF.

2. Disconnect all cables. Replace protective covers on test panel cable connectors

3. Put all cables in test set cover storage compartment. Close and latch hinged lid

4. Install cover on test set Lock eight cover latches.

2-8.

OPERATION IN UNUSUAL ENVIRONMENT

You can use the test set in any weather However, always replace the cover on the set as soon as possible after using It

That helps keep dirt, dust, and moisture out of the test set.

When using the test set under the following conditions, change the PMCS schedule as indicated.

Extreme Heat or Cold - When using the test set in these weather conditions, increase the weekly organizational

maintenance schedule to daily Increase the monthly schedule to weekly.

Salt Air and Sea Spray-- Do not expose the test set to these conditions for long periods of time Replace the cover on the

test set Immediately after each use.

Sand Storms and Dust Storms - When the test set is operated under these conditions, clean the test set more often

Replace the cover Immediately after each use.

2-9.

EMERGENCY PROCEDURES

Under emergency conditions, you can use the test set even though some parts are damaged or unserviceable.

The test set will operate even if test panel control knobs are cracked or broken (but be sure they are tight enough on the

control shaft to show their true setting) Cables with cracks or breaks in their covering materials may be used as long as

the conductors are not visibly damaged. Indicator lamp lenses may be cracked or broken as long as the lamp operates

(refer to paragraph 2-11 and use the PANEL LIGHTS TEST switch to test the lamps).

2-10