Keys/Led - Topcom BUTLER 4012 USB VOIP User Manual

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
2

Keys/LED

11
R
VoIP
10
Esc
/OK
1 3
2 DEF
ABC
4 6
MNO
GHI 5
JKL
9
7
8
PQRS WXYZ
TUV
12
* #
0
8
Butler 4012 USB VoIP
Topcom Butler 4012 USB VoIP
on the display will blink.
HANDSET
1. Display
2. PC/VoIP key
3. Up/Handsfree key
4. Programming key/INT key
5. Line key
6. Redial/Pause key
1
7. Microphone
5
8. Volume/Ringer key
3
9. Alphanumeric keys
2
10.Delete/Mute key/Escape key
INT
4
11. Down/Flash key
12.*/Phonebook key
9
6
7
/
/P
/
/R
BASE
13. Paging key
14. Line/Charge indicator
14
13
Topcom Butler 4012 USB VoIP
(LED)
7