22
LLoocckkiinngg
tthhee
kkeeyyppaadd
ooff
tthhee
tteerrmmiinnaall
To prevent accidental pressing of the keys, when the terminal is in standby the keypad
can be locked.
, followed by ; symbol lights up, indicating that the
keypad is locked.
The keypad is automatically unlocked if an incoming call is received (and will be locked
again at the end of the call).
To unlock the keypad, the same procedure is used, and symbol disappears.
BBaacckklliigghhttiinngg
ooff
ddiissppllaayy
ssccrreeeenn
aanndd
kkeeyyss
((tteerrmmiinnaall
AAllccaatteell
44007744
GGHH//GGII
oonnllyy))
A backlighting feature is provided for the display screen and the keys, allowing the
terminal to be used in the dark.
The backlighting is activated by a long press (2 beeps) on
The backlighting goes out when no key has been pressed for around 15 seconds.
When another key is pressed, lighting is reactivated.
The same procedure is used to deactivate the backlighting.
This function can be activated or deactivated while a call is in progress. In this case,
the pressing of the key is not validated by a beep.
Note: Excessive use of this function will discharge the battery prematurely.
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