Gme TX665 Manuel d'utilisateur télécharger pdf (Page 14)

PAGE 14 INSTRUCTION MA NUAL T X665

TO SCAN

Brieﬂy press F followed by

. The icon will ﬂash and the channel numbers will

change as the radio scans through the channels. To change the scan direction while

scanning, brieﬂy press or .

To stop scanning, brieﬂy press F followed by

. The icon will stop ﬂashing and

the radio will return to normal operation.

SCANNING FEATURES

• If a signal is received, the scan is paused allowing you to transmit and receive on

that channel. During this time the

icon will continue to ﬂash to show that the

scan is still active. Once the channel has been inactive for 5 seconds the scan will

automatically resume.

• Pressing the PTT switch while the radio is scanning will jump to the working

channel allowing you to transmit and receive on that channel (the working channel

is the channel the radio was on at the time the scan was activated). During this time

the

icon will continue to ﬂash to show that the scan is still active. Once the

working channel has been inactive for 5 seconds the scan will automatically resume.

• If the scan is paused on a busy channel that you don’t wish to listen to, press the

or keys to ‘skip’ over the channel and continue scanning.

TIP: The Scan mode will reduce the overall battery life because the Standby (battery

saver) feature is overridden. If the battery is running low you should avoid scanning to

conserve power.

CTCSS, DCS AND SILENT MODE

CTCSS (Continuous Tone Coded Squelch System) and DCS (Digital Coded Squelch) are

similar Squelch quieting systems that allow groups of users to share the same channel

without disturbing each other. The CTCSS system uses 1 of 50 low frequency tones

to open and close the Squelch on the radio. The DCS system is similar to CTCSS but

uses 1 of 104 digital codes to control the Squelch. When CTCSS or DCS is enabled on

your radio, only signals that are using the same code as your radio will be heard in the

speaker and the Squelch will remain closed to all other signals.

NOTE: CTCSS and DCS codes do not prevent others from hearing your transmission.

CTCSS/DCS tones are switched off by default. To use CTCSS/DCS you must ﬁrst enable

a suitable CTCSS/DCS code using the Menu (see Menu options for more details).

Your choice of CTCSS or DCS will largely depend on which is currently being used by

other radios in your group. If neither system is currently in use, you can make your

own choice. There is no difference in performance between the two systems. Once a

CTCSS or DCS code has been enabled, the display will show

(for CTCSS) or

(for DCS). You can now make selected channels ‘quiet’ by enabling Silent mode on

those channels.

To activate or deactivate Silent mode on a channel

1. Select the required channel.

2. Press and hold the SQL key. The selected CTCSS or DCS code will be displayed

on that channel.

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Gme TX665 Manuel d'utilisateur Page 14

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