TM 11-6625-2946-14/TM 08168A-14/1
CHAPTER
2
S e c t i o n I. SERVICE UPON RECEIPT OF MATERIEL
2-1.
Unpacking
the instructions of TM 38-750. The equipment should be
placed in service, even though a minor assembly or part
that does not affect proper functioning is missing.
2-2. Checking Unpacked Equipment
c. Check to see if the equipment has been modified.
(Equipment which has been modified will have the
a. Inspect the test set for damage incurred during ship-
MWO number on the front panel, near the nomen-
ment. If the equipment has been damaged, report the
clature plate.) Check also to see whether all currently ap-
damage on SF 364 (Para 1-3 b).
plicable MWO'S have been applied. (Current MWO'S
b. Check the equipment against the components listed
applicable to the equipment are listed in DA Pam
in Appendix C and the packing slip to see if the shipment
310-7.) Marines should refer to SL1 -2.
is complete. Report all discrepancies in accordance with
Section
ii.
CONTROLS
AND
indicators
2-4. Operator Controls
2-3. General
All operating controls, indicators, and input and output
Haphazard operation, or improper control settings
connectors, as listed and functionally described in table
could damage equipment. It is, therefore, essential that
2-1, are located on the test set front panel (fig. 2-l).
all operating controls and indicators be fully understood
before placing the test set in use.
Table 2-1. Operating Controls, Indicators, and Connectors
Control, indicator,
or connector
Selects 14 vdc battery (BAT) or 24 vdc external (EXT) power source. Removes input power in center (OFF)
POWER switch
position.
Spring-loaded circuit breaker. Resets in up position.
RESET switch
FUNCTION switch
selects test mode:
FSM rf field strength measurement
RCV receiver sensitivity measurement
XMT transmitter rf output power measurement
BAT battery condition test
FREQUENCY CODE switches
Selects desired rf output frequency of test set signal generator, corresponding to frequency of radio set being
tested .
Initiates measurement of receiver quieting over a preset 14 dB noise level to provide indication of receiver gain
SENS READ pushbutton
switch
on the meter.
Meter
Provides a go (green)/no-go (red) reading to indicate status of battery or radio set under test in BAT, XMT,
or RCV test modes. Provides measurement of rf signal detected by FSM ANTENNA in FSM mode.
FSM ANTENNA
Antenna for reception of radiated rf output of transmitter for measurement of its field strength.
BATTERY connectors
Polarized, pressure-lock type connectors for input from battery under test, secure battery to test set front
panel.
Polarized, pressure-lock type connectors to provide input power to radio set under test, secure radio set to test
RADIO connectors
set front panel.
For test set 24 vdc input voltage from external power source.
24 VDC EXT connector
Input connector for receiver audio from radio set AUDIO connector.
AUDIO connector
ANTENNA connector
Input connector for radio set transmitter rf output.
2-1
