Operation Manual
1
The handset at a glance
Gigaset C 455 / IM engl / A31008-M1707-R101-1-UZ19 / overview.fm / 27.7.07
The handset at a glance
1 Display in idle status
2 Battery charge level 
e V U (1/3 charged to fully charged) 
= flashes: battery almost flat
e V U flashes: battery charging
3 Control key (page 11)
4 Display keys (page 11)
5 End call key, On/Off key 
End call, cancel function, go back one menu level 
(press briefly), back to idle status (press and hold), 
activate/deactivate handset (press and hold in idle 
status)
6 Message key 
Opens calls and message lists
Flashes: new message or new call
7 Hash key 
Keypad lock on/off (press and hold, page 11)
Toggle between upper/lower case letters and digits 
for text entry (page 33)
8 Alarm clock key (page 27)
Activate and deactivate the alarm clock
9 Microphone 
10 Recall key  
Enter flash (press briefly)
Insert a pause (press and hold)
11 Star key 
Ringtones on/off (press and hold in idle status),
12 Connection socket for headset (page 7)
13 Handsfree key 
Switch between earpiece and handsfree mode
Lights up: handsfree activated
Flashes: incoming call
14 Talk key 
Answer a call, open last number redial list (press 
briefly), start dialling (press and hold) 
15 Signal strength
¦ § ¨ (low to high)
¥ flashes: no reception
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