Gme TX665 Manuel d'utilisateur télécharger pdf (Page 12)

PAGE 12 INSTRUCTION MA NUAL T X665

TRANSMITTING

To transmit, press and hold the PTT (Push-To-Talk) switch. The other radio you are

talking to must be set to the same channel. Hold the radio approximately 2 – 5 cm

from your mouth with the antenna vertical and speak into the built-in microphone.

While the PTT switch is pressed, the LED indicator on the upper edge of the radio will

light RED and the

icon will appear on the LCD. When you have ﬁnished speaking,

release the PTT switch to receive incoming signals (it is not possible to transmit and

receive at the same time). If no further signals are received, the unit will revert to

Standby mode.

TIP: The PTT switch can also be used to transmit a Call Alarm melody.

When the Call Alarm melody is enabled (see Menu options for more details on

Call Alarm settings), pressing the PTT switch twice quickly will play the Call Alarm

melody in the speaker of other radios on the same channel to alert them to your call.

During this time the

icon is displayed and the LED indicator will light RED for

about 5 seconds. The Call Alarm can only be sent once per minute.

SQUELCH

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.

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

enabled. When the Squelch is open, the LED indicator on the upper edge of the radio

will light Green and the

and icons will appear on the display. During this time

you will hear static or hiss if the channel is clear. Do not transmit if you hear any signals.

To close the Squelch, 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).

KEYPAD LOCK

The Keypad Lock disables the keys to prevent accidental key presses from changing

the preferred settings of the radio. When the keys are locked, the

icon is

displayed and all key presses are ignored except for the PTT, SQL and the Keypad

unlock sequence.

To lock the Keypad press the F key (the F icon will appear) then hold the

key.

The icon will appear on the display.

To cancel the Keypad Lock, press the F key then hold the

key. The icon

will disappear.

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Gme TX665 Manuel d'utilisateur Page 12

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