4. INITIAL USE
4.1 HANDSET/BASE BUTLER 3900
15.
14.
Butler 3900
13.
INT 
12.
R
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4GHI | 5JKL | 6MNO | |||
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11. |
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7PQRS | 8TUV | 9WXYZ | |||
10. |
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HANDSET
1.Earpiece
2.Display
3.Delete C Key Cancel C Key
4.Redial/Pause 
Up Key 
5.Menu Key 
Down Key 
6.Phonebook 
7.
8.Numeric keys
Butler 3900/Twin/Triple/Quattro
1. | ENGLISH |
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2.
3.
4.
5.
6.
7.
16.
8.
| ? |
9. | 17. |
| 18. |
| Butler 3900 |
9.Lock Key 
10.Microphone
11. Call log Key 
?
12.Mute Key 
13.Recall key
14.Internal call/OK INT
15.Handset indicator LED
BASE
16.Paging button 
17.Handset in base LED
18.
Butler 3900/Twin/Triple/Quattro | 7 |