BellSouth AD-T388, Руководство пользователя

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14.Button Lock
• Press and hold the
MENU
- button(
11
)
for two seconds to
activate the Button lock mode. The button lock icon is
displayed on the LCD Screen.
• Press and hold the
MENU
- button(
11
)
again for two seconds
deactivate button lock
Note:The PTT - button(15) , the CALL -button(12), MON-button(5)
and the on/off button (6) will still be functional when the Button
Lock is activated.
15. Display back light
To activate the backlight of the LCD display, press any button
except the
MENU
- button(
11
) or the
MON
-button(5) .
The LCD backlight will light up for 5 seconds.
16. Earpiece connection
The Twintalker can be used with the included earpiece.
The connector is located on the upper side of the unit(8) .
Insert the earpiece plug into the connector (2,5mm jack).
The small button on the earpiece has the same function as the TALK
- button(15) on the unit
When you use the TALK - button (15) from the Earpiece, you must
also use the microphone from the earpiece to talk into.
Note:
Do not connect other earpieces. This may damage your device.
17. Battery saving function:
When the device has not been used for 6 seconds, the economy
mode is automatically activated. This does not affect the reception
of transmissions and the standard mode is automatically re-
activated as soon as a signal is detected.