13 volume request – FSR IT-AS411 Series User Manual
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13 Volume Request
The Volume request is used to adjust input trims, program audio level and voice
level. It can be used to inquire about the current value of a program audio input trim,
program audio output level or voice level. The levels can be set as a value, or adjusted
up or down with “+” or “-“.
VOL
“L” | “T” number | “V”
value|”?”
Syntax: VOL <<”L”|”T” number | “V”>
Where:
VOL
Volume request Header
“L” | “T”
output Level, Trim
number
values of “1” to “4”, applicable only when “T” designated
“V”
Voice
Level
value
volume value -5 to +15 for trims, -45 to +5 for level (in 1 dB increments), -45
to +5 for Voice level or “+” to increment volume in 1 dB increments, or “-“ to
decrement volume in 1 dB decrements. Multiple “+” or “-“ may be specified
consecutively, each representing 1 dB step.
“?”
inquiry for the specified level, trim or voice
Example:
VOL L -23<cr>
Instructs the IT-AS411 to set the program audio output level to -23.
VOL V -30
Instructs the IT-AS411 to set the voice level to -30.
VOL T 1 10
Instructs the IT-AS411 to set input 1’s Trim level to 10.
VOL L +++
Instructs the IT-AS411 to increment program output level +3dB.
Example Response:
ACK
This response means that the command has been received and is valid.
Error Example:
VOL T 2 40<cr>
Instructs the IT-AS411 to set input 2’s trim to “40” which is invalid.
Error Response:
ERR: VOL <<”L”|”T” number>
T
he IT-AS411 would send the error message above indicating that the “40” in the
message was invalid (trim values are from -5dB to +15dB).
VOLUME INQUIRY
If the user wishes to query a trim, program audio level or voice level, the user
would insert a “?” in place of the Value, an Inquiry would look like this: