Siemens T25 사용자 설명서

41

When the night bell rings

- dial 

∗∗∗∗∗

88

- you are now connected to the caller

Check with System Administrator if any other type of Night Service is

operational.

The Plus and Minus keys allow for the individual setting of the levels of speech,

ringing, ring tones and display contrast.

- whilst busy on a call

- press + or – keys to adjust Speech volume

- press + and – keys simultaneously to store setting

- Do not lift handset

- press + and – keys simultaneously

- display shows selection for keys 1,2,3 and 4

- press

1 and then + or – keys to adjust Ringing volume

-

or

2 and then + or – keys to adjust Ping Ring volume

-

or

3 and then + or – keys to adjust Ring Tone frequency

-

or

4 and then + or – keys to adjust Display contrast

- press + and – keys simultaneously to store setting