HM91710A/B
TONE/PULES SWITCHABLE DIALER
HKS
KEY IN
XMUTE
PO
TONE
OSCO
3
2
P->T
3
t DB
t PDP tIDP
t IDP
T pt
t
ITP
- - - - - - High impedance
Figure 4: Timing Waveform for mixed dialing Operation (by P→T key entry)
HKS
KEY IN
1
2
RD
t DB
XMUTE
PO
t
ITP
TONE
OSCO
t
ITP
t
ITP
tITP
t
D
AUTO DIALING
- - - - - - High impedance
Figure 5: Tone Mode Redial Timing Diagram
* This specification are subject to be changed without notice.
1.7.2002 11