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Motorola RADIUS GP300 にも：マニュアル (15 ページ)

GP300 Portable Radios

Push-To-Talk (PTT) Button

When depressed and held, engages the transmitter and

puts radio in the transmit mode. When released, the radio

operates in the receive mode.

Monitor Button (PL/DPL Disable)

Selects the mode of operation, carrier squelch (CSQ) or

Private-Line/Digital Private-Line (PL/DPL squelch).

Control Button

When depressed, this monitors

the channel for any activity. Nei-

ther CSQ nor PL/DPL squelch is

active when monitoring. The

radio has the ability to monitor

all activity on the radio channel,

whenever this button is pressed.

This control button can also be

programmed for nuisance chan-

nel delete on radio models with

the channel scan feature.

Antenna

Heliﬂex (VHF models) or a Flexible Whip (UHF models) with

threaded base.

Controls, Switches, Indicators and Connectors

Monitor

Button

PTT Button

Heliﬂex

Flexible Whip

Control

Button