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.
Operates between 7.5Vdc and 16Vdc, featuring a 5V regulated internal supply for stability against fluctuations. Basic Operations Guide Kenpro Kt 22 Manual
Use the Duplex Mode Switch to set a 600 kHz offset (above or below) the receiving frequency. If a tone-burst is needed to access a repeater, use the dedicated Tone Call Switch . Basic Operations Guide Use the Duplex Mode Switch
To get started with the transceiver, follow these standard procedures found in the Kenpro KT-220 User Manual : If this illuminates, stop operation immediately to recharge,
A dedicated BATT LED alerts you when the battery is nearly exhausted. If this illuminates, stop operation immediately to recharge, as the voltage will drop rapidly. Where to Find Manuals
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Use the flexible antenna provided or an external antenna with a gain no higher than 3 dB to protect the sensitive front-end circuitry.