Hy-Gain Hy-Range III 672B User Manual

Microphone jack and labels for front panel controls.

PA, Remote Speaker, Fuse Holder, and Antenna connectors.

Details on receiver circuit, frequency, sensitivity, and IF.

Details on transmitter frequency, power, emission, and modulation.

Information on obtaining a Class D license and FCC rules.

Choosing location, mounting bracket, and DC power connections.

How to connect the antenna using coaxial cable and connector.

Details on PA and Remote speaker jacks for audio output.

Vehicle tuning and electrical checks before noise suppression.

Methods to identify and reduce ignition, alternator, and static noise.

Turning unit on/off, adjusting volume, and eliminating background noise.

Adjusting reception sensitivity and station frequency alignment.

Selecting channels, PA mode, and understanding indicator lamps.

Connecting the microphone or optional telephone handset.

Meter for signal strength and RF power indication during operation.

Using the noise blanker and limiter for interference reduction.

Step-by-step guide for transmitting with the transceiver.

Steps for obtaining warranty service and repair.

Instructions for packing and shipping units for service.

Information on how to purchase spare parts.