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 TM 11-6625-564-45
step
Control setting
Test Equipment
Equipment under test
NO
Test procedure
Performance standard
Radio set simulate
b. Connect ME-26B/U to
b. ME-26B/U must read
TEST SELECT :
+225V test jack and
between +215 and
+ 225V.
ground on test unit.
+235 vdc.
Controls remain as at end
ME-26B/U
4
Connect ME-26B/U to AVC ME-26B/U must read be-
of step 1.
Set to measure
test jack and ground on
tween +2.5 and +3.5
+3 vdc.
test unit.
vdc.
Radio set simula-
tor.
Controls remain as
at end of step 3.
ME-26B/U
Controls remain as at end
a. Connect ME-26B/U be-
a. ME-26B/U must read
Set to measure
tween CAR RELAY
0 ohm.
of step 1.
test jack and ground
Radio set simula-
on teat unit.
tor
b. ME-26B/U must read
b. Release CAR RELAY
CAR RELAY:
infinite ohms.
switch.
Depressed.
6
Radio set simula-
PTT : Depressed.
a. Observe XMIT indicator a. XMIT indicators will
tor
light.
on test unit and XMIT
Controls remain as
indicator on radio set
at end of step 5.
simulator.
b. XMIT indicators will re-
b. Hold test unit PTT
main lighted.
switch in MOM ON,
and observe XMIT in-
dicators.
c. None.
c. Release test unit PTT
switch.
a. ME-26B/U will indicate
7
ME-26B/U
Controls remain as at end
a. Connect ME-26B/U to
between +27 and
of step 6.
Set to measure
+27.5V test jack and
+28 vdc.
+27.5 vdc.
ground on test unit.
b. Meter will read in green
Radio set simula-
h. Observe meter on radio
band of scale A.
tor
set simulator.
TEST SELECT:
+ 27.5V.
8
ME-30(*)/U
a. ME-30(*)/U will indi-
Controls remain `as at end
a. Connect ME-30(*)/U to
cate between 8.65 and
Set to measure
of step 6.
red AUX AUDIO test
10.65 vac (peak).
9.65 vac (peak).
jack and ground on
Radio set simula-
test unit.
tor
b. Meter will read in green
b. Observe meter on radio
TEST SELECT:
band of scale A.
set simulator.
AUX AUDIO.
9
Radio set Simula-
Three FREQ SELECT
I. Two far left numbers on
a. Turn test unit FREQ
tor
switches to any position.
SELECT 10-megacycle
readout mechanism of
Controls remain as
radio set simulator
switch to all of its
will read same as set-
at end of step 8.
positions, and observe
ting of switch.
readout mechanism of
radio set simulator.
b. Middle number on read-
b. Turn test unit FREQ
out mechanism will
SELECT 1-megacycle
read same as setting
switch to all its posi-
of switch.
tions, and observe
readout mechanism.
72
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