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Procedures for returning equipment for warranty repair and required information.
Guidelines for non-warranty service, modifications, and ordering replacement parts.
Procedure for carefully lifting the transceiver and checking for damage.
Guidance for fixed and mobile station installation, including interconnections.
Connecting associated equipment to the KWM-2/2A for fixed station setup.
Steps for selecting a location and installing the transceiver for mobile operation.
Procedure for checking controls, meters, and initial settings before operation.
Step-by-step guide to tune the receiver for optimal reception and frequency identification.
Procedure for tuning the transmitter for optimal output, loading, and grid current.
Guidelines for operating the transceiver on frequencies outside standard amateur bands.
Overview of the KWM-2/2A transceiver's functional blocks and frequency ranges.
Detailed explanation of the transmitter's audio, modulator, mixer, and RF/ALC circuits.
Detailed explanation of the receiver's RF, mixer, IF, and AF circuits.
Description of the five oscillators: tone, BFO, VFO, crystal, and calibrator.
Explanation of the voice operated transmission and anti-VOX circuits.
Overview of procedures for signal tracing, alignment, neutralization, and measurements.
Table of signal generator connection points and normal signal levels for transmitter troubleshooting.
Table of test points and normal signal levels for receiver alignment and troubleshooting.
Table of voltage and resistance measurements for tube sockets, critical for diagnostics.
Detailed procedures for aligning transmitter, receiver, and related circuits.
Instructions for replacing dial cords for band switch and loading capacitor.
Procedure for cleaning and maintaining relay contacts to ensure proper function.
Overview of the capabilities and frequency coverage of the Collins KWM-2 and KWM-2A transceivers.
Details on power supply, speaker, antenna, and microphone requirements for operation.
Technical specifications including frequency range, mode, power output, and sensitivity.
List of all tubes and semiconductors used in the KWM-2 and KWM-2A models.
List of optional accessories, their functions, and corresponding Collins part numbers.
Detailed list of components and their Collins part numbers for KWM-2 and KWM-2A.
List of crystals for extended frequency coverage and their associated part numbers.
Schematic diagram illustrating the KWM-2 and KWM-2A transceiver circuits and connections.
General| IF Rejection | 60 dB |
|---|---|
| Modes | CW, SSB |
| Receiver Sensitivity | 0.5 μV for 10 dB S+N/N |
| Weight | 20 lbs |
| Selectivity | 2.1 kHz |
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