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Your telephone
Cleaning your telephone
Your telephone does not require any specific servicing. However, it may be cleaned
using a soft, damp cloth.
Carrying your telephone
To avoid losing your telephone, get into the habit of clipping it onto your belt.
Locking your telephone keypad
To prevent the keys from being accidentally pressed:
Proceed in the same way to unlock the keypad.
Screen backlighting*
Allows the telephone to be using in poor light conditions:
When you stop pressing the keys:
When you press a key again:
Proceed in the same way to deactivate backlighting.
* Backlighting provided for display and keys on telephones 4074 H, 4074 GH and 4074 GI.
Using this function as little as possible will extend the time between battery charges.
15 seconds
lighting lights up
automatically
lighting goes out
automatically
- in standby: 2 beeps
- call in progress: no beep
a call is in progress
or telephone
in standby
The keypad is unlocked automatically if a call is received and locked again
after the call.
keypad is locked
in standby
The casing of telephones 4074 H, 4074 GH and 4074 GI provides
protection against impact. Various types of protective case are available.
Consult your installation technician.
Do not use soap or detergent, which could damage the colours or surfaces
of the telephone.
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