Marine PC MPC-ML2DVR User Manual page 57

CoMMunICAtIon ProtoCoL (ContInueD)
Example: $DSKFR, L1, COMM*39 [CR][LF]
Top left key (L1) is set to cycle the video input
Response: DSACK or DSNAK
DSKtr "oSD Key text response" Command
The DSKTR is the response message to a DSKTQ command. The message contains the
OSD text assigned to the key.
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0 BTNID
1 Hex ACII
Text
Example: $DSKTR, L1, 535243*21[CR][LF]
Top left key (L1) text is "SRC"
Response: DSACK or DSNAK
DSACK "Acknowledge response" Command
The DSACK Acknowledge Response command is DVR's response to valid commands.
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0 Placeholder
Example: $DSACK,00*72[CR][LF] (Command runs.)
Response: N/A
DSnAK "not Acknowledge response" Command
The DSNAK Not Acknowledge Response command is the DVR's response when it receives
a command it does not recognize or the received command has errors such as the checksum
failed.
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0 Placeholder
Example:$DSNAK,00*7F[CR][LF] (Command runs.)
Response: N/A
Data
L1, L2, L3, L4, L5, R1, R2, R3, R4, R5, B1, B2, B3, B4, B5, T1, T2, T3, T4, T5
Hex bytes encoded as an ASCII Hex character Sequence. The hex string
must be less than or equal to 12 bytes representing up to 6 characters.
Data
00
Data
00
MPC-ML2DVR-UM(A) 3/2015
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