7 – External control
TASCAM AV-452
Installation & Support Guide
19
IR “blaster”
Note that pin 21 (and pin 2, +5V) may be connected
to an IR “blaster” device, which can be used to relay
command codes from the AV-452 to an external mon-
itor or projector, etc.
The procedure for learning these command signals is
described in "LEARN IR (switch 1)" on page 16.
An IR blaster that has been found to work well with
the AV-452 is the Xantech 283M IR emitter. Please
consult your TASCAM distributor for up-to-date de-
tails of other suitable units that can be used with your
AV-452.
RELAY CONTROL pinouts
Pin # Signal
Meaning
Pin # Signal
Meaning
1
GND
GND
20
NC
2
+5V
+5V (50 mA maximum)
21
IR OUTPUT
Connect the wired IR remote device
3
MIC 1 MUTE
Turns the MIC 1 MUTE on and off
22
MIC 1 MUTE Tally
4
MIC 2 MUTE
Turns the MIC 2 MUTE on and off
23
MIC 2 MUTE Tally
5
MIC 3 MUTE
Turns the MIC 3 MUTE on and off
24
MIC 3 MUTE Tally
6
MIC 4 MUTE
Turns the MIC 4 MUTE on and off
25
MIC 4 MUTE Tally
7
A/V DIM
Turns the AV DIM on and off
26
A/V DIM Tally
8
CASSETTE
Selects Cassette as the AV source
27
CASSETTE Tally
9
RGB 1
Selects RGB 1 as the Projector or RGB monitor source 28
CD-RW Tally
10
RGB 2
Selects RGB 2 as the Projector or RGB monitor source 29
DVD Tally
11
CD-RW
Selects CD-RW as the AV source
30
VCR Tally
12
DVD
Selects DVD as the AV source
31
AUX IN Tally
13
VCR
Selects VCR as the AV source
32
RGB 1 Tally
14
AUX IN
Selects AUX IN as the AV source
33
RGB 2 Tally
15
AMP A
Turns the AMP A output on and off
34
AMP A Tally
16
AMP B
Turns the AMP B output on and off
35
AMP B Tally
17
INTERCOM
Activates the INTERCOM input
36
INTERCOM Tally
18
CASCADE
Activates the CASCADE input
37
VOLUME DOWN
Volume down
19
VOLUME UP
Volume up
1
2
3
4
20
21
22
2.2 NF
+5V
GND
NC
MIC 1 MUTE C
MIC 1 MUTE T
MIC 2 MUTE C
IR OUTPUT
RELAY CONTROL
D-SUB 37P
AV-452
IR Blaster
R
+5V
10k
1k
+5V
10k
1k
GND
+5V
N
ULN2803AP