User Manual

Menu - Settings
39
- Select MENU > SETTINGS > KEY BACKLIGHT > select the backlight timer of
your preference by scrolling the joystick up or down , choose SELECT
to set.
- Select MENU > SETTINGS > AUTO KEY LOCK > select the key lock timer of
your preference by scrolling the joystick up or down .
Choose SELECT to set.
- Select MENU > SETTINGS > KEY TONE > select ON or OFF>
choose SELECT to set.
- Select MENU > SETTINGS > DTMF TONE > select INBAND,
OUTBAND (Sip Info) or OUTBAND (RFC 2833) > choose SELECT to set.
Note: DTMF (Dual Tone Multiple Frequency)
Fig.37 Key Lock Setting Screen
( 10 ) Key Backlight
( 11 ) Auto Key Lock
( 12 ) Key Tone
( 13 ) DTMF Tone
SELECT
BACK
Fig.36 Key Backlight Setting Screen
Fig.38 DTMF tone setting