Time-Out Timer; Selecting Channels - GME TX677 Instruction Manual

TIME-OUT TIMER

The radio has a built-in time-out timer that automatically limits transmissions to
a maximum of 3 minutes of continuous operation. This feature is required by the
ACMA to prevent accidental blocking of the frequency should your PTT switch
become jammed or be otherwise pressed accidentally. When the time-out timer
activates, the radio will beep and 'tot' is displayed briefly on the LCD. Normal
operation will be restored once the PTT switch is released.
1. In the 'Standby' mode, press the
the
2. Press and hold the
channels.
The Squelch is used to eliminate the background noise when there are no signals
present. When the squelch is open the receiver's background noise can be heard.
When the squelch is closed the receiver remains quiet while there are no signals
present but any incoming signals will override the squelch and be heard in the
speaker.
Content
Content
To open the squelch:
Briefly press the SQL key. This will allow you to check the current channel for
activity before transmitting, particularly if you have CTCSS/DCS enabled.
When the squelch is open, the LED indicator on the upper ed
When the squelch is open, the LED indicator on the upper edge of the radio will
light green and
clear. Do not transmit if you hear any signals.
time you will hear static or hiss if the channel is clear. Do not transmit if you hear
any signals.
To close the squelch:
To close the squelch:
Briefly press the SQL key again.
Briefly press the SQL key again.
Note: The squelch sensitivity is preset in the Menu – Squelch Level setting (see
Menu options for more details on setting the squelch sensitivity).
20

SELECTING CHANNELS


key to step down one channel.

SQUELCH
When the squelch is open, the LED indicator on the uppe
and icons will appear on the display. During this tim
and icons will appear on the display. During this time y
the and icons will appear on the display. During this
clear. Do not transmit if you hear any signals.
To close the squelch:
Briefly press the SQL key again.
The squelch sensitivity is preset in the Menu – S
The squelch sensitivity is preset in the Menu – Squel
details on setting the squelch sensitivity).
details on setting the squelch sensitivity).

key to step up one channel or

or keys to quickly scroll through the
TX677 Instruction Manual