
Topcom Butler 3501 Twin/Triple/Quattro
1.3 DISPLAY
Icon line  | 
  | Character display line  | 
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  | (12 characters maximum)  | 
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Each operation has an associated icon
Icon: | Meaning: | |
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  | You are online  | 
EXT  | You are in external communication  | |
INT | You are in internal communication  | |
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  | New numbers in call list  | 
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  | Indicate answered call  | 
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  | Indicate unanswered call  | 
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  | You are opening your address book.  | 
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  | You are in the menu.  | 
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  | rechargeable battery level indicator  | 
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  | 1 segment: weak, 2 segments: medium, 3 segments: full.  | 
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  | The antenna indicates the quality of reception.  | 
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  | The antenna flashes when the handset is not registered on the base.  | 
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  | Handset keypad locked  | 
  | or  | Indicates that the displayed number is longer than the screen (12 digits)  | 
1.3.1 Standby display
In standby mode, the display shows the time and the handset number:
1.4 HANDSET INDICATOR (LED)
The handset LED has following function:
•ON when the external line is busy
•OFF when all handset are in stanby mode
•Flashes on all handset when there is an incoming call
8  | Topcom Butler 3501 Twin/Triple/Quattro  |