Siemens C450 - Manual (Page 11)

10
Operating the handset
Gigaset C 450 / IM-Nord EN / A31008-M1706-R201-1-7619 / telephony.fm / 27.7.05
Operating the handset
Switching the handset on/off
a
Press the end call key long.
You will hear the confirmation tone.
Activating/deactivating the keypad
lock
# 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.
Control key on the handset
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.
Display keys
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.
Returning to idle status
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,
page 1.
Note:
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