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 SB 740-91-01
Step
Settings and Instructions
Normal Indication
2
(c) On the ME-30A/U, set controls as follows:
(cont.)
(1) Power Switch. On.
(2) Range Selector Switch. 3 V i 10 dB
(d) On the AN/USM-127, No. 1, set controls as
follows:
(1) Frequency Range Multiplier Switch. X10
(2) Frequency Range Dial . 100
(3) Attenuator Switch. VX10.
(4) Output Control. Fully counterclockwise.
(e) On the AN/USM-127, No. 2, set controls as
follows:
(1) Frequency Range Multiplier Switch. X1
(2) Frequency Range Dial. 150
(3) Attenuator Switch. VX10
(4) Output Control. Fully counterclockwise.
(f) On the AN/URM-103, set controls as follows:
(1) Range switch. B
(2) Control Switch. Ext
(3) FM Mode Inc Frequency Switch. MOD 0-20
(4) Coarse Tuning Control. 41.05 MHz
(5) Set Carrier Control . Adjust to line on
carrier level meter.
(6) Attenuator Control. Set 6 dB line to
0.5 PV.
(g) On the RT-841/PRC-77 set controls as follows:
(1) Band Switch. 30-52MC
(2) Rec-Trans Frequency (MC) Control. 41.05 MHz
(3) Rec-Trans Frequency (KC) Control. 00
(4) Function Switch. On
(5) Volume Control . 5
(6) Set switch S1 to ON and switch S2 to OFF.
(h) Set AN/USM-127 No. 1 output control for 10 KC
indication on the AN/URM-103 modulation and
incremental frequency meter.
(i) Adjust the AN/URM-103 coarse and fine tuning
controls for peak indication on ME-30A/U.
Adjust RT-841/PRC-77 volume control for 1 volt.
(j) Set switch SI to OFF and switch S2 to ON.
(k) Adjust AN/USM-127 No. 2 output control for a
3 KC on the modulation and incremental fre-
quency meter of the AN/URM-103.
(l) Turn the RT-841/PRC-77 function switch to
The ME-30A/U should
squelch position Set switch S1 to ON
indicate an output
(squelch relay ener-
gized).
B-59
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