TEST POINT CHART 1

TM 11-5805-387-34-2

TEST POINT CHART 1

MODULE UNDER TEST

TEST EQUIPMENT

TEST POINT

MODEM SWITCH SETTING

INDICATION

1 RECEIVE AUDIO MODULE A1

AN/URM-145 OR ME-26B/U, AB/USM-207

1. AF INPUT- A1J1

VOICE or 85 HZ + VOICE

1,000 Hz

2. RCVR MIXER INJ - A2J2

850 HZ

3,805 Hz - 5,805 Hz,

varied by BFO control

85 HZ DIVERSITY

2,380 Hz 2Hz

3. +20V REG - A2J1

Any setting

+20 volts dc 2VDC

2 SCOPE MODULE A2

TS-799A/UGM-1

NOTE

Test cable No. 3 must be connected and MESSAGE TRANSMIT SWITCH of TS-799A/UGM-1 must

be ON. Key microphone to obtain waveshapes shown below.

No test point, observe modem CRT

MODE SELECTOR switch: 850 HZ

ONE WAY/DUPLEX switch: DUPLEX

MODE SELECTOR switch: 85 HZ

ONE WAY/DUPLEX switch: DUPLEX

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