Operation with a Fist Microphone

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Figure 3-2 Layout of Controls

3.2Control and LCD Display

3.2.1 Controls

Several of the keys on the front panel of the base station serve multiple purposes. For the most part, the function indicated on the first line of the key is accessed by pressing and releasing that key. The function indicated on the second line of the key is accessed by pressing and holding the key for two seconds.

￿CH (Channel Selection) Knob

This knob selects the active channel. Turning the knob clockwise increments the channel number. Turning the knob counterclockwise decrements the channel.

The knob is also used to select values and functions in DSC mode.

VOLUME/PWR Knob

This knob switches power on and off and controls the audio volume. From the OFF position, rotating the knob clockwise until it "clicks" powers ON the radio. Continuing to turn the knob clockwise, the volume increases. Rotating the knob counterclockwise, the volume decreases. Continuing to turn the knob counterclockwise, the unit "clicks" OFF.

The upper bar graph on the LCD displays the volume level.

!SQUELCH Knob

This knob controls the squelch sensitivity level. Rotating the knob clockwise increases the squelch level. Rotating the knob counterclockwise decreases the squelch.

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Raymarine Ray215 manual Control and LCD Display, Controls, CH Channel Selection Knob, VOLUME/PWR Knob, Squelch Knob