Topcom Butler 3501 Twin/Triple/Quattro
1. DESCRIPTION OF TELEPHONE
1.1 HANDSET AND BASE BUTLER 3501
Earpiece
Handset indicator
LED
Display
Mute/Delete key
Redial/Pause key
Up key
Phonebook/Escape key
Down key/Call log key 
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| 2ABC | 3DEF |
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| 4GHI | 5JKL | 6MNO | |||
| 7PQRS | 8TUV | 9WXYZ | |||
Flash key |
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| 0 | # |
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Power ON/OFF |
| R |
| INT | ||
Microphone |
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Butler 3501 |
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Menu/OK
Internal call
Power indicator Charge indicator Incoming call LED
6 | Topcom Butler 3501 Twin/Triple/Quattro |
