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TM 55-4920-383-13&P
Table 2-1. Front Panel Controls, Indicators and Connectors-Continued
Fig. 2-1
item no.
9
10
11
2-6
Panel component
RESISTANCE TEST
placard
EXT RES terminals
RESISTANCE-FUNCTION
switch
A-B position
A-C position
A-GND position
B-GND position
Function
Placard is marked with acceptable tolerance
band for resistance reading when RESIST-
ANCE RANGE switch is in HIGH TEST
and LOW TEST positions.
Test lead input of resistance to be measured.
Functional only when DISPLAY SELECT
switch is in RES (MEG) position.
Connects Test Set circuitry to measure
resistance between COAX A and UNSH B
connectors.
Connects Test Set circuitry to measure
resistance between COAX A and COMP C
connectors.
Connects Test Set circuitry to measure
resistance between COAX A connector
and ground.
Connects Test Set circuitry to measure
resistance between UNSH B connector
and ground.
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