Tascam AV-452 Specifications page 8

ROOM VOLUME LEVEL (COMMAND ONLY)
The ROOM VOLUME control adjusts the level that comes out
the SPEAKER OUTPUT and STEREO OUTPUT. The knob is
motorized, and can be controlled externally. Commands
ROOM VOLUME DOWN
ROOM VOLUME UP
EMG BREAK (READ ONLY)
When the AV-452 detects an emergency alarm is activated
(by the relay activation on the EMG port), the AV-452 will
shut down all local audio. All the LEDs flash on the front
panel when in this status. For the control system, this
QUERY EMG
STATUS - NORMAL (ID 1)
STATUS - EMG BREAK (ID 1)
DIP SWITCHES (READ ONLY)
Some of the dip switches on the rear panel are logic
controlled, and will emit their status when the "request all"
status is sent. These switches are only scanned when the
STATUS - HPF OFF (ID 1)
STATUS - HPF ON (ID 1)
STATUS - CASCADE EXCL (ID 1)
STATUS - CASCADE MIX (ID 1)
STATUS - MONO OFF (ID 1)
STATUS - MONO ON (ID 1)
QUERY ALL STATUS
This command triggers the AV-452 to send all status
messages for a complete update on the system. This is
QUERY ALL STATUS
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All features and specifications are subject to change without notice. Contact your local TASCAM representative for the latest information.
LF . N
0Ah 2Eh 4Eh
LF . N
0Ah 2Eh 4Eh
LF . N
0Ah 2Eh 4Eh
LF . 0
0Ah 2Eh 30h
LF . 0
0Ah 2Eh 30h
LF . 0
0Ah 2Eh 30h
LF . 0
0Ah 2Eh 30h
LF . 0
0Ah 2Eh 30h
LF . 0
0Ah 2Eh 30h
LF . 0
0Ah 2Eh 30h
LF . 0
0Ah 2Eh 30h
LF . N
0Ah 2Eh 4Eh
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AV-452 Serial Control Specification
are available for up or down; there is no status message for
this command - it acts just like the infrared command. One
volume command will turn the dial for 1/2 second.
A . c . 1
41h 2Eh 63h 2Eh 31h
A . c . 1
41h 2Eh 63h 2Eh 31h
status is the key to recognizing the situation. As with the
other commands, these status messages are sent when the
status changes.
A . q . 1
41h 2Eh 71h 2Eh 31h
1 . s . 1
31h 2Eh 73h 2Eh 31h
1 . s . 1
31h 2Eh 73h 2Eh 31h
unit first turns on. It may be desirable to have the control
system alert an AV tech if these settings do not match the
normal setting, in case someone tampered with them.
1 . s . 1
31h 2Eh 73h 2Eh 31h
1 . s . 1
31h 2Eh 73h 2Eh 31h
1 . s . 1
31h 2Eh 73h 2Eh 31h
1 . s . 1
31h 2Eh 73h 2Eh 31h
1 . s . 1
31h 2Eh 73h 2Eh 31h
1 . s . 1
31h 2Eh 73h 2Eh 31h
great for control systems when the unit has not been
monitored in a while, so all functions can become known.
A . c . A
41h 2Eh 63h 2Eh 41h
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8 . 0 0 CR
38h 2Eh 30h 30h 0Dh
8 . 0 1 CR
38h 2Eh 30h 31h 0Dh
6 . 0 1 CR
36h 2Eh 30h 31h 0Dh
6 . 0 0 CR
36h 2Eh 30h 30h 0Dh
6 . 0 1 CR
36h 2Eh 30h 31h 0Dh
3 . 0 0 CR
33h 2Eh 30h 30h 0Dh
3 . 0 1 CR
33h 2Eh 30h 31h 0Dh
4 . 0 0 CR
34h 2Eh 30h 30h 0Dh
4 . 0 1 CR
34h 2Eh 30h 31h 0Dh
5 . 0 0 CR
35h 2Eh 30h 30h 0Dh
5 . 0 1 CR
35h 2Eh 30h 31h 0Dh
A . 0 0 CR
41h 2Eh 30h 30h 0Dh
Page 8 of 8
AV-452_RS-232_spec.pdf
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