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W91550DNF-1

13-MEMORY TONE/PULSE DIALER WITH LCD AND LOCK FUNCTIONS

Winbond 

W91550DN SERIES

Access Pause

OFF HOOK (or ON HOOK & HFI ¡õ ), D1 , D2 , R/P , D3 , ..., Dn

1. The pause function can be stored in memory.

2. The pause function is executed in normal dialing, redialing, or memory dialing.

3. The pause function timing diagram is shown in Figure 6.

Pulse-to-tone (*/T)

OFF HOOK (or ON HOOK & HFI ¡õ

), D1 , D2 , ..., Dn , */T , D1' ,

D2 , ..., Dn'

1. If the mode switch is set to pulse mode, then the output signal will be:

D1, D2, ..., Dn, Pause (3.6 sec), D1', D2', ..., Dn'

(Pulse)

(Tone)

2. If the mode switch is set to tone mode, then the output signal will be:

D1, D2, ..., Dn, * , D1', D2', ..., Dn'

(Tone)

(Tone)

3. The dialer remains in tone mode when the digits have been dialed out and can be reset to pulse

mode only by going on-hook.

4. The pulse-to-tone function timing diagram is shown in Figure 7.

TIM

OFF HOOK , (or ON HOOK & HFI ¡õ ), D1 , D2 , ..., Dn (or Redialing

or Repertory dialing ), CONVERSATION, TIM

1. If no key is pressed after dialing and ATS pin = 1, the LCD will automatically display counting time

after 6 seconds.

2. The timer will count after the TIM key is pressed from 00:00.

Flash (F = F1, F2, F3)

OFF HOOK , (or ON HOOK & HFI ¡õ ), F

1. The dialer will execute flash break times of 600 mS (F1), 300 mS (F2), or 98 mS (F3) and a pause

time of 1.2 sec. before the next digit is dialed out.

2. The flash key cannot be stored as a digit in memory and it has the first priority among keyboard

functions (except for the F3 key of W91550DN-1).

3. The system will return to the initial state after pause time is finished.

4. Keyboard functions are inhibited during flash and when flash break is being executed.

5. The flash timing diagram is shown in Figure 8 and 12.

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