Instruction manual

NetLinx Programming of DXLink Transmitters and Receivers
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Instruction Manual – DXLink™ Twisted Pair Transmitters/Receiver
Aspect Ratio Options
Stretch (to fit) – This option (default) scales the video to full screen size in both horizontal and vertical directions
regardless of the input aspect ratio. No data is cropped. However, the image may be distorted as needed to fill the screen.
When Stretch is selected, black bars are not added by the scaler. However, if an image has originated from a source
device with either horizontal or vertical black bars (e.g., letter box from a movie), the black bars will be considered as
active video and will be included in the stretched video.
Maintain (aspect ratio) – This option maintains the incoming video’s aspect ratio, but will scale the image until the
display fills either horizontal or vertical direction first. If the vertical direction is filled first, then the video will have
pillar box black bars on the sides of the display. If the horizontal direction is filled first, then the video will have letter
box black bars on the top and bottom of the display.
Zoom – This option maintains the input aspect ratio while zooming the image to fill the screen in all directions. Image
data may be lost on the top and bottom or to the left and right of the displayed image.
Anamorphic – This option is used with anamorphic formatted video sources so that images appear correctly on the
display.
DXLink Receiver Audio SEND_COMMANDs
DXLink Receiver Audio SEND_COMMANDs are sent to Port 6.
Audio SEND_COMMANDs (Receivers)
Command Description
?AUDOUT_MUTE
Requests the setting for the
Mute preference of the audio
from the Receiver (Enable or
Disable).
Syntax:
SEND_COMMAND <DEV>,"'?AUDOUT_MUTE'"
Example:
SEND_COMMAND dvRX,"'?AUDOUT_MUTE'"
Returns a COMMAND of the form:
AUDOUT_MUTE-<ENABLE|DISABLE>
AUDOUT_MUTE
Sets the Mute preference of
the audio from the Receiver
to Enable (no sound) or
Disable.
Syntax:
SEND_COMMAND <DEV>,"'AUDOUT_MUTE-<ENABLE|DISABLE>'"
Example:
SEND_COMMAND dvRX,"'AUDOUT_MUTE-ENABLE'"
?AUDOUT_FORMAT
Requests the audio format on
the Receiver.
Syntax:
SEND_COMMAND <DEV>,"'?AUDOUT_FORMAT'"
Valid response:
format = HDMI, ANALOG, ALL
Example:
SEND_COMMAND dvRX,"'?AUDOUT_FORMAT'"
Returns a COMMAND of the form:
AUDOUT_FORMAT-<format>
AUDOUT_FORMAT
Sets the audio format on the
Receiver (default is ALL).
Syntax:
SEND_COMMAND <DEV>,"'AUDOUT_FORMAT-<format>'"
Valid response:
format = HDMI, ANALOG, ALL
Example:
SEND_COMMAND dvRX,"'AUDOUT_FORMAT-ANALOG'"