Kenwood TS-660 User Manual

High-stability digital VFO with dual VFOs and memory for precise frequency control.

Circuit to shift IF passband, effectively reducing adjacent channel interference.

Enables semi-break-in CW operation, enhancing user experience with a side-tone feature.

Lists essential accessories provided with the TS-660 for immediate use.

Recommendations for optimal placement and ventilation to ensure proper transceiver operation.

Step-by-step instructions for connecting all external devices and antennas to the unit.

Detailed explanation of front panel controls, switches, and indicators for easy operation.

Overview of rear panel terminals and switches for antenna, power, and external device connections.

Describes the operation of PTT, UP, and DOWN switches on the handheld microphone.

Guides on setting up the transceiver for receiving signals, adjusting volume, and tuning.

Provides instructions for transmitting, including antenna safety, dummy load use, and mode-specific settings.

How to store, recall, and scan favorite frequencies using the built-in memory system.

Specific settings and techniques for effective communication in Morse code (CW) mode.

Comprehensive instructions for installing and operating the transceiver in a vehicle.

Guidelines for connecting power and antennas for stationary base station use.

Recommended regulated DC power supply with built-in protection for the TS-660.

Filters (YK-88C/CN) for enhanced CW selectivity, easy to install.

Secure mounting bracket for mobile installation, offering angle adjustment.

Explanation of the VSWR protection mechanism safeguarding the final output transistors.

Identifies common transmitter problems and provides solutions for causes like mic connection or control settings.

Addresses receiver issues such as no power, display errors, or weak signals, with troubleshooting steps.