Siemens C450 Manual De Usuario

Gigaset C 450 / IM-Nord EN / A31008-M1706-R201-1-7619 / telephony.fm / 27.7.05

a

Press the end call key long.

You will hear the confirmation tone.

#

 Press and hold the hash key. 

You will hear the confirmation tone. The icon 

Ø

 appears in the display when the keypad lock 

is activated.
The keypad lock deactivates automatically 

when you receive a call and activates again 

after the call.

1 Control key

In this user guide, the side of the control key 

that you must press in the given operating 

situation is shown in black (top, bottom). Exam-

ple: 

t

 for "press the top of the control key". 

The control key has a number of different func-

tions:

When the handset is in idle status 
s

 

Open the directory.

t

Adjust the ringer melody volume 

of the handset (page 21).

In lists and menus
t

/ 

s

 

Scroll up/down line by line.

In an input field
t

/ 

s

 Move 

the 

cursor 

left or right.

During an external call
s

 

Open the directory.

t

Adjust loudspeaker volume for 

earpiece and handsfree mode. 

The current display functions are shown in the 

bottom display line in reversed highlights. The 

function of the display keys changes depending 

on the particular operating situation. 
Example:

1 Current display key functions 

2 Display keys

The most important display symbols are:

§Back§

Go back one menu level or cancel 

operation.

§INT§

Make an internal call (page 20).

§Menu§

Open the main menu or a context-

dependent menu.

§OK§

Confirm highlighted selection.

§<C§

 

Delete key: backspace delete one 

character at a time.

You wish to return to idle status from anywhere 

in the menu:

¤

Press the end call key 

a

 and hold.

Or:

¤

Do not press any key: after 2 minutes the dis-

play will automatically revert to idle status.

Changes which you have not confirmed/stored 

by pressing 

§OK§

 will be rejected.

For an example of the display in idle status, 

The handset displays an advisory message if you 

press a key by accident while the keypad lock is on. To 

deactivate the keypad lock, press the hash key 

#

 

and hold.

§§§§INT§§§

§§Menu 

1

2

1

§§§§INT§§§

§§Menu