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5
7191
D
-2A receiver-transmitter group
A compact lightweight receiver - transmitter consisting of three units: 377L-2
Receiver – Transmitter Control, 671V-2 Receiver – Transmitter, and a 549A-2
Amplifier-Coupler. When mechanically latched together, these units are electrically
connected through mating connectors. All operating controls for the receiver-
transmitter are located beneath a hinged cover on the 377L-2.
612A-1 battery
A Nickel cadmium, 1.8 Ah, battery that latches beneath the 719D-2A Transmitter –
Receiver Group. It supplies DC power to the receiver – transmitter for 12 hours of
operation at a 1:9 transmits voice/receive duty cycle.
963A-1 radio set harness
A Lightweight, rugged pack frame with adjustable straps. It can hold,
simultaneously, a 719D-1A Receiver-Transmitter Group, 612A-1 Battery, and either
an 886B-I Generator or a spare 612A-1 Battery. The field pack attaches to the rear
of the pack frame, and has compartments to store all the accessory components
except the 412Y-2 Battery Charger.
H-189/GR handset.
A Handset with an earpiece, microphone, and push-to-talk (ptt) switch in one
assembly. It is connected to the receiver-transmitter through a coiled cord and plug.
938A-2 antenna
A 2.4 meters (8-foot) whip antenna that can be easily folded for storage. It has a
shock absorbing mount and detent positioning device capable of ±90" front-to-back
movement in 45
o
increments.
MP-20 accessory components
Accessory components, shown in figure 3. that may be used with the MP-20 include
headset, telegraph key, 540L-1 Battery Cable, 938A-1 Antenna, antenna
counterpoise, 540K-1 Control Extender, 412Y-2 Battery Charger, 886B-1
Generator, and nonrechargeable battery.
Summary of Contents for COLLINS MP-20
Page 1: ......
Page 6: ...6 Figure 3 Accessories Components Sheet 1...
Page 8: ...8 Figure 3 Accessories Sheet 2...
Page 22: ...22 Figure 14 377L 2 Receiver Transmitter Control...