QT Big Button, Инструкция по эксплуатации

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the signal sent from the telephone exchange. The telephone will automatically return to
standby mode and will allow the phone to ring upon receipt of the next incoming call. To answer
the call the handset has to be placed back on the cradle and then can be picked up to answer the
call.
LOW POWER DETECTION
The LCD will display a battery icon when the battery voltage drops lower than 3.9V or if no
batteries are inserted.
LCD BACKLIGHT FUNCTION
The backlight is turned on upon receipt of an incoming call, during dialing, pressing of any key or
in MUSIC ON HOLD mode. It will fade off if the telephone is left idle for several seconds.
The backlight will only function if batteries are inserted or a power adaptor connected to the
phone.
FLASH FUNCTION
Press the FLASH key followed by the extension number to transfer a call when the telephone is
used behind a PABX.
PAUSE FUNCTION
The PAUSE function is useful for use behind a PABX. Dial the PABX external line access code
(usually 0 or 9) then press the PAUSE button and thereafter dial the desired telephone number.
NOTES
Please unplug the telephone line when installing or replacing the batteries.
TROUBLESHOOTING TIPS
No Dial Tone * Check the hook switch to make sure it pops up
Can’t dial out * Make sure Tone/Pulse is set to correct position according to
telephone exchange requirement
* Unplug the phone, wait 30 seconds and plug the phone back in
* Check the phone line cord
* Check that all connectors are firmly inserted in their sockets.
Phone does not ring * Check the phone line cord
* Could have too many phones on one line (the total REN of all
phones should not be greater that the maximum for your