Manual

ISD1600B SERIES
- 12 -
Sp+
Sp-
TRU
TPS1 or TPS2
LED
PlayL
TDb2
Odd # pulses starts playback
Tcyc
Tr
TDb1
PlayE
Tf
Even # pulses stops playback
TDb1
Aud
TRU
Ramps up gradually to analog ground
to eliminate the "pop" at the beginning
TPS1 or TPS2
Slowly returns to analog ground
to eliminate the "pop" at the end
FIGURE 2: PLAYBACK OPERATION