TM 11-6625-847-45
Step
Control setting and operation of
No.
Operation of test procedure
equipment under test
Performance standard
5
Connect the dc test
Set the AGC OFF/ON switch
Measured voltage
leads of the
on tray A1A1 to ON.
varies from 0
ME-26(*)/U to AGC
Rotate the AGC ADJ con-
to -33 2 volts
test points TEST
trol from fully counter-
dc.
and ground on tray A1A1.
clockwise to fully clockwise.
6
Measure the dc voltage
Measure voltage is + 20 1
at NOISE BLANKER
volts dc.
20 VDC test point on
tray A1A1 using ME-
26(*)/U.
7
Rotate the MC FREQ 10MC
Mc shaft coupler on tray A1A1
and 1MC frequency select
rotates, indicating the 28 posi-
switches 01 the test set from
tions selected.
2.0 mc to 29.0 mc in 1-mc
steps.
8
Disconnect the ME-
Reset all switches and controls
POWER indicators on the test
26(*)/U.
to the settings, listed in para-
set and common module tray
A1A1 are extinguished.
5-10. Common Module Tray A1A2, Preliminary Switch and Control Settings
Switch or control
Setting
Switch or control
Setting
POWER switch .................... OFF
RF GAIN control ................Fully counterclockwise
RCVR AUDIO section:
XMTR IF AND AUDIO
SQUELCH switch ............ OFF
section:
SQUELCH SYNC
OFF
ALC APC PPC
switch.
CONTROL:
AUDIO GAIN con-
Fully counterclockwise
ALC switch....................OFF
trol.
ALC/PPC SEL
OFF
RCVR IF section:
switch.
AGC SYNC switch........... OFF
POWER CON-
Fully counterclockwise
RF-AGC ON/OFF
OFF
TROL.
switch.
CE MODES
PUSH TO TALK
TEST SELECTOR
1
switch.
switch.
TEST SELECTOR
1
BFO TONE control............... Fully counterclockwise
switch.
5-11. Common Module Tray A1A2, Operational Performance Test
Step
Control setting and operation of
No.
Operation of test procedure
equipment under test
Performance standard
1
Remove common on module tray
A1A2 from the case 2, and
secure it to the test set.
2
Make sure that +27-
Set the switches and controls on
volt dc primarily power
the test set to the settings
is supplied to the
listed in paragraph 5-6. Set
POWER connector
the switches and controls on
on the test set.
common module tray A1A2
to the settings listed in para-
graph 5-10.
3
Set the POWER switch on the
POWER indicator is illuminated
test set to ON.
on the test set.
Change 2 5-5
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