2408RGBT/DVIT RGBHV/DVI Portable SFP Fiber Transmitter
Page - 18
Revision
1.1
4.4.7. Setting the Analog Audio Detection Threshold (A2 Version)
Two card-edge LEDs indicate signal presence of the two respective analog audio channels. A
Detection
Threshold
is used to indicate audio signal presence. The
Audio Detection Threshold
adjustment is
implemented in the digital domain, and applies to both channels. The range of threshold adjustment is –
30dBu to +10dBu, in 1dB increments. Threshold adjustment is completed using the card-edge interface or
through
Vista
LINK
®
control.
CTRL
DET
-30 to +10
To change the
Audio Detection Threshold
, select
CTRL,
the first menu item
in menu level. Use the toggle switch to select the
DET
menu item and press
the pushbutton. The toggle switch may then be used to change the
threshold value. Select the desired value then press the pushbutton to
apply the displayed selection and return to the first menu level. The
following selections are available for this menu item:
-30
to
+10:
Detection threshold range, describing a dBu value.
4.4.8. Setting the Analog Audio Detection Duration (A2 Version)
The
DUR
control sets the amount of time (in seconds) the audio is below the level set by the
DET
control
before the audio is considered missing. The range of adjustment is 1 to 20 seconds, in one-second
increments. Adjustment is completed using the card-edge interface or through
Vista
LINK
®
control.
CTRL
DUR
1 - 20
To change the
Audio Detection Duration
, select the
CTRL
menu item in
menu level 1. Use the toggle switch to select the
DUR
menu item and press
the pushbutton. The toggle switch may then be used to change the value.
Select the desired value then press the pushbutton to apply the displayed
selection and return to menu level 1. The following selections are available
for this menu item:
1
to
20:
Detection duration range in seconds.
4.4.9. Selecting Identity Mode
The IDEN card edge menu item works in conjunction with the module ID card edge menu item for the
purpose of audio soft switching on the 2408RGBR/DVIR modules. For audio soft switching, select ON
under the IDEN card edge menu item.
CTRL
IDEN
ON
OFF
To configure the
Identity Mode
, select the
CTRL
menu item in the first menu
level. Use the toggle switch to select the
IDEN
menu item and press the
pushbutton. The toggle switch may then be used to change the value.
Press the pushbutton to apply the displayed selection and return to the first
menu level. The following selections are available for this menu item:
ON:
Enables module Identity for audio soft switching.
OFF:
Disables module Identity.
Summary of Contents for 2408RGBT/DVIT
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