Guardian G25AMK005, Техническое руководство

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4-2 G U A R D I A N V H F M O B I L E
4.3.5 Radio Power Up
Turn on the radio using the on/off/volume knob. The radio performs a self-test and sounds a short medium-pitched
tone to indicate PASS. Use the switch to set the volume to a comfortable level. Select the desired channel using the
channel select switch. The process takes 3 to 5 seconds before the radio is ready for operation.
4.3.6 Choose a Channel
The default display shows the current zone and channel. Use the channel select switch to select a different channel
in the zone. To change zones, program one of the side keys, program the three-position toggle switch to zone select,
or program through the display using the select menu.
4.3.7 Transmit a Voice Message
Press the PTT switch on the palm microphone, hold the radio 2 to 6 inches from your mouth, and speak in a clear
voice.
4.3.8 Receive a Voice Message
To receive a voice message, release the PTT. Use the PC programmer or the radio program menu to set or adjust the
squelch level, CTCSS tones, DCS variables, NACs, and/or talk-group identifiers (TGIDs) as required.
4.3.9 Programming and Bypass Mode
For description of these features, refer to the Interface board section in Chapter 2.