Gme TX665 Manuel d'utilisateur télécharger pdf (Page 11)

T X665 INSTRUCTION MA NUAL PAGE 11

USING CTCSS/DCS

If you are expecting to receive signals on a busy channel, you can program that

channel for CTCSS/DCS operation and get the other person to call you using the same

CTCSS/DCS tone. Your radio will then remain in Standby and ignore all other signals

until your selected CTCSS/DCS tone is received.

SCANNING

The radio draws more power from the battery pack when scanning than when

monitoring a single channel. This is because it must ‘wake up’ more often to monitor

each channel for activity. In addition, scanning increases the chance of ﬁnding a

signal thereby keeping the receiver ‘awake’ and the Squelch open more often.

LOW TRANSMIT POWER SETTINGS

The transmitter has both high and low power settings. If you are only operating over

short distances, are in a reasonably high location or are close to a local repeater, try

using the Low transmitter power setting. This reduces the transmitter power to 0.5

watts which increases the talk time available.

GENERAL OPERATION

POWER ON/OFF

To switch the radio on or off, hold the

button for 2 seconds.

ADJUSTING THE VOLUME

Press the

or keys to increase or decrease the volume. ‘VOL’ is displayed along

with a value from 1 (min) to 9 (max).

SELECTING CHANNELS

Hold the MENU key for 2 seconds. The channel number will ﬂash. Press the

key to

step up one channel of the key to step down one channel. Press and hold the or

keys to quickly scroll up or down through the channels.

To exit the channel mode press the PTT or simply wait. The channel mode will

automatically time out after 10 seconds.

DISPLAY LIGHTING

The LCD backlighting activates automatically whenever a key is pressed and turns off

automatically after about 5 seconds.

RECEIVING SIGNALS

While the radio is not receiving signals, it will remain in Standby mode to conserve

battery power and ‘SAVE’ will be displayed. When a signal is received, the LED

indicator on the upper edge of the radio will light GREEN and the

icon will

appear on the display. Adjust the VOLUME control for a comfortable listening level.

If the incoming signal is encoded with a CTCSS or DCS tone matching the one set in

your radio, the LED indicator will light Orange and you will be able to hear the signal

in the speaker. If the LED indicator lights GREEN and the

icon appears but you

cannot hear the signal, it is likely that the incoming signal is using a different CTCSS

or DCS tone to that selected in your radio (see Menu options for more details on

setting CTCSS/DCS tones).

If no further signals are received, the unit will return to Standby mode after a

few seconds.

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Gme TX665 Manuel d'utilisateur Page 11

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