Cortelco 8780 Instruction Manual page 8

2. Set the Contrast - Press DEL/SET to access LCD CONTRAST setup.
Press CLID to select the contrast (1-5). Press DEL/SET to confirm.
3. Set Year, Date and Time - Press DEL/SET to Access the YEAR,
DATE and TIME setup. The digits of the year will flash. Press CLID
to select the year and press DEL/SET to confirm. Use the same
method to set the month, day, and time.
4. Set Local Code - Press DEL/SET to access the LOCAL AREA CODE
setup, and the first of five digits will flash. Press CLID to select the
digit and press DEL/SET to confirm. Use the same method to set
the other digits. Example: If you set up
from (248)123-4567, will show on Caller ID as 123-4567 only.
5. Set Prefix Code – These codes are normally used to access a PSTN
line from a PBX. After setting the local area codes, the first of three
digits will flash. Press CLID to select the digit and press DEL/SET to
save selection. Use the same method to set other digits if needed.
6. Set the Ring Melodies – The 8780 offers a choice of 16 different
ring melodies. Press DEL/SET to access the RING MELODIES setup.
Press CLID to select the desired melody (1-16) and press DEL/SET
to confirm.
7. Set the Ring Volume - The 8780 offers a choice of 8 different ring
volumes. Press DEL/SET to access the RING VOLUME setup. Press
CLID to select the desired ring volume (1-8) and press DEL/SET to
confirm.
8. Set Flash Time - Press DEL/SET to enter the FLASH TIME setup.
Press CLID to select the flash time (100ms, 200ms, 300ms, 400ms,
600ms, 900ms) and press DEL/SET to confirm. Note: 600 mSec is
the standard flash time for the United States.
9. Set Pause Time - Press DEL/SET to enter the PAUSE TIME setup.
Press CLID to select the pause time (1.2S, 2.4S, 3.3S) and press
DEL/SET to confirm.
10. Set DTMF or Pulse Mode - Press DEL/SET to access the dial mode
setup. Press CLID to select the mode (DTMF or PULSE) and press
DEL/SET to confirm.
11. Set Caller ID Timings – Press DEL/SET and the value for T1 will
be displayed. Press DEL/SET again and the value for T2 will be
displayed. Press DEL/SET again and the value for T3 will be
displayed. These timing settings are for caller ID performance, and
it is strongly suggested that the defaults be used.
area code 248, a call
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