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Letter Scheme
Letter Scheme
Description
Station User Names (programmed into the customer database) may be enhanced for
special requirements using the choices available in the Letter Schemes. The end user may
select from six different lettering schemes that can be programmed for use at any one
installation. While User Names are being entered (in system programming) and while the
user is editing an Outgoing Message, the chosen Letter Scheme characters will be
accessible with successive depressions of the [1] dial pad key. Use the table below to
determine what letter scheme best suits this installation.
Loud Bell Control (Optional)
Description
The system provides one dry contact closure for interface to an external Loud Bell device
which is associated with incoming CO line ringing. If Loud Bell is assigned to a specific CO
line, the incoming call signaling on this CO Line will initiate LBC operation. The Loud Bell
contacts will follow the CO ring cadence programmed in system programming (data field
Ring Scheme). The external loud bell ringing device is customer provided. It is
recommended that a 24V DC 0.5 amp device be used. An external power source is
required.
Table 4-7: Letter Scheme Characters
Character for n
depressions of dial key "1".
Scheme 0
Scheme 1
Scheme 2
Scheme 3
Scheme 4
Scheme 5
The DHS system also requires the Option Module for this feature to function.
th
st
nd
rd
th
th
1
2
3
4
5
th
6
4-69
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