2k eys/led, Ha ndset, Ba se – Topcom Butler 4812 USB VOIP User Manual
Page 7
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Topcom Butler 4812 USB VoIP
7
Topcom Butler 4812 USB VoIP
ENGLIS
H
Battery indicator:
•
The battery is fully charged.
•
The battery is half drained (50%)
•
The battery is low. When the battery is low, you will hear warning signals and the
battery symbol
on the display will blink.
2
K
eys/LED
HA
NDSET
1.
Display
2.
PC/VoIP key
3.
Up/Call log key /
4.
Handsfree key
5.
Programming key/INT key
6.
Line key
7.
Redial/Pause key
8.
Microphone
9.
Volume/Ringer key
/
10.
Alphanumeric keys
11.
Delete/Mute key/Escape key
12.
Down/Flash key /R
13.
*/Phonebook key
BA
SE
14.
Paging key
15.
Line/Charge indicator
(LED)
/OK
VoIP
/
Esc
INT
1
11
8
4
10
6
3
7
9
13
2
5
12
/P
14
15
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