* This specification are subject to be changed without notice.

12

4.28.1999

EM91850

TONE/PULSE DIALER WITH HF, HD, REDIAL

AND VOLUME CONTROL FUNCTION

Preliminary

Figure 3.

Pulse to Tone operating Timing

Figure 4.

Flash operating Timing

Figure 5.

Pause operating Timing

KEY

XMUTE

DTMF

PO

14

Tone

Pulse

2

3

*/T

Tpt

XOUT

KEY

XMUTE

PO

F

3

Tf

Tfp

XOUT

dial inhibited

2

1

KEY

XMUTE

DTMF

PO

1P

2

1P

2

Tp

Tp

Tone mode

Pulse mode

XOUT