AP-16+ Connections & Controls
A.
Power input; 2.1mm barrel jack; 12 to 18 VDC
K.
Option switches
B.
Power input; terminal block; 12 to 18 VDC
L.
Auxiliary inputs (AUX files)
C.
Power switch
M.
Volume control (for speaker output)
D.
SD card socket
N.
Speaker output: 4
Ω
/ 8
Ω
E.
Start input: dry contact
O.
Line level output
F.
Start input: 12 to 24 VDC
P.
Pre-play delay potentiometer
G.
Start input: PIR
Q.
Post-play delay potentiometer
H
Start input: manual button
R.
Relay output terminals
I.
Audio Select switch (SFX files)
S.
Status LED
J.
Serial input (Open-True TTL)
2
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