4-15TPS150 Switching and Transmission System • Serial Communications
Command/response table for programming and operating the TPT150 (Cont’d)
Command ASCII Command Response Additional description
(host to switcher) (switcher to host)

Input audio level

Adjust the input audio level [VIN
X2 X4
0] [R0•
X1
•VIN
X2
X4
0•] Set the input
X2
audio level to a
specified value.
Leading zeros are required in the input number (
X2
).
Two-digit numbers are required for the audio level variable (
X4
); use leading zeroes as required.
The negative sign (–) is required for audio attenuation level variable values other than 00)
Example: [VIN02–13] [R0•95•VIN02–13•]
Increment the input audio level [VIN
X2
+] [R0•
X1
•VIN
X2
+•] Increase the input
X2
audio level
by 1dB.
Decrement the input audio level [VIN
X2
–] [R0•
X1
•VIN
X2
–•] Decrease the input
X2
audio
level by 1dB.
Query the input audio level setting [VIN
X2
?] [R0•
X1
•VIN?•
X4
] The audio input
X2
audio level is
set to
X4
dB.
Reset all inputs’ audio levels [VIN@] [R0•
X1
•VIN@•] Set all input’s audio level
adjustments to their factory
defaults (0dB).

Output level

Adjust the audio output level [VOL01
X5
0] [R0•
X1
•VOL01
X5
0•] Set the output level to a specified
value.
Two-digit numbers are required for the level variable (
X5
), use leading zeroes as required.
The negative sign (–) is required for attenuation level variable values other than 00)
Example: [VOL01–130] [R0•95•VOL01–130•]
Increment the output level [VOL+] [R0•
X1
•VOL+•] Increase the output level by 1dB.
Decrement the output level [VOL–] [R0•
X1
•VOL–•] Decrease the output level by 1dB.
Query the output level setting [VOL?] [R0•
X1
•VOL?•
X5
] The audio output level is set to
X5
dB.
Reset the output level [VOL@] [R0•
X1
•VOL@•] Set the output level adjustment
to its factory default (0dB).

Program projector power and input command codes

Store ASCII code to a button [PCL1
X6 X7
] [R0•
X1
•PCL1
X6 X7
•] Program button
X6
code to
X7
.
Example: [PCL103’S-video”]
[R0•
X1
•PCL103’S-video”•]
Program button 2 to send the
command string [S-video].
The ’ and ” characters insert the
delimiter brackets for devices
that require them.
View a button’s ASCII code [PCL1
X6
?] [R0•
X1
•PCL1
X6
?•
X7
]
Example: [PCL103?] [R0•
X1
•PCL103[S-video]] View button 3’s command string
[S-video]. The ’ and ” characters
insert the delimiter brackets for
devices that require them.
Brackets inserted using the insert brackets feature appear as brackets when you use view command.
Store hex code to a button [PCH1
X6 X8
] [R0•
X1
•PCH1
X6
X8
•] Program button
X6
code to
X8
.
Example: [PCH1020F] [R0•97•PCH1020F•] Program button 2 to send the hex
command string 0F.
View a button’s hex code [PCH1
X6
?] [R0•
X1
•PCH1
X6
?•
X8
]
The insert brackets feature is not available for hex codes.