If you need a full digital copy of the manual, several online repositories host legacy Kenpro documents:
To get started with the transceiver, follow these standard procedures found in the Kenpro KT-220 User Manual : Kenpro Kt 22 Manual
Rotate the Volume (VOL) control fully counter-clockwise before powering on. Set the Squelch (SQL) control fully counter-clockwise to "open" the squelch and check for background noise. If you need a full digital copy of
Dual-mode transmitter settings—High ( 2.5 - 3 Watts ) or Low ( 250 - 500 mW ) to conserve battery life. Operates between 7
Operates between 7.5Vdc and 16Vdc, featuring a 5V regulated internal supply for stability against fluctuations. Basic Operations Guide
The KT-22 series utilizes a microprocessor-controlled PLL frequency synthesizer to provide stable performance.
Frequently hosts schematics and user guides for vintage Kenpro equipment.