Bosch Integral TH13 Operating Instructions Manual page 122

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K
Key beep (! p. 77)
Switch the keyboard beep on or off.
Keyboard
Activates the "Keyboard test" display. You can test all keys on the key-
board.
Press the key you wish to test.
The key designation is displayed on the screen if the key is functioning
properly.
The "Release" key is functioning properly if it interrupts the keyboard test to
return to the test mode display.
L
Leaving a group line
You can switch your phone in and out of a hunt group. This function must
be enabled by your BOSCH TELECOM service representative.
Lock
You can protect your telephone from unauthorized users. You can also de-
termine which functions are to remain available after the lock is activated
(lock levels must be enabled by your BOSCH TELECOM service represen-
tative).
Lock telephone
Lock the telephone.
Log-in
If this function is cleared in your system, you can log into every telephone
in your system with your direct dialing number and a personal PIN number.
Loudspeaker volume
Adjust the volume of the speaker.
M
Mediate
Toggle between your first partner and a refer–back.
122
Menu items on the display "

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