W91570DN SERIES
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Timing Waveforms, continued
T/P MUTE
HFI
HKS
ON HOOK
HFO
High
H/P MUTE
CHIP ENBLE
HOLD KEY
Figure 10(c). Hold and Handfree Timing Diagram
Note: Changing the state of the HKS signal from high to low will initialize the HFO and HPM MUTE signals.
KEY IN
OKR
KT
T
T
ARB
KD
AUTO
WAITING
T
ARP
REPEAT TILL
T
ARB
WAITING
T
ARP
INTERVAL
N-1 TIMES
REDIALING
INTERVAL
INTERVAL
OSC.
OSCILLATION
AUTO
REDIALING
INTERVAL
DP/C10
Figure 11(a). Auto Redialing Timing Diagram
Notes:
1. The auto redial function is enabled in off-hook or handfree state.
2. If OKR is the first key-in after off-hook or handfree then the first T
ARB
and T
ARP
will be ignored.
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