7.12 Set Preview output
The host must send the following sequence:
pX
followed by
CR
where: p is the character Hex 70
X indicates if output 4 must be used as Preview:
1 = output 4 is the preview 0 = output 4 is a normal output
The TZM443 matrix will respond:
ACK
(Hex 06) if the control has been executed correctly
NACK
(Hex 15) if it has found incorrect transmission errors
Example: in order to program output 4 as a preview output, send the following characters
in line: 70 31 0D
7.13 Mute setup on Preview output
It is possible to set up the audio mute, video mute or audio+video mute on the preview
output.
The host must send the following sequence:
mX
followed
by
CR
where:
m is the character Hex 6D
X indicates the type of mute for the preview output:
0 = mute OFF
1 = mute Audio
2 = mute Video
3 = mute Audio + Video
The TZM443 matrix will respond:
ACK
(Hex 06) if the control has been executed correctly
NACK
(Hex 15) if output 4 has not been specified as a preview or if there have been
transmission errors
Example: in order to program only the audio mute on the preview output, send the
following characters in line: 6D 31 0D
TZM443
4x4 HIGH RES. & AUDIO MATRIX
ELPRO Video Labs s.r.l.
Via della Praia, 4/A 10090 Ferriera di Buttigliera Alta (TO) ITALY
Tel.+39 0119348778 – Fax +39 0119348779
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