Table 2-2. TROUBLESHOOTING - Continued
TEST OR INSPECTION
3. Keyboard-transmitter will not transmit.
Be sure KEYBOARD switch is set to SEND.
If switch is set to SEND and unit does not respond higher category of
maintenance is required.
4. Teletypewriter does not give correct copy at desired range.
Step 1. Loosen and swing up shorting bar, and connect Multimeter AN/USM-451 between two terminals of
BIAS TEST MA.