ViewSonic PJL9371 Guide De L'utilisateur page 73

RS-232C Communication (continued)
3. Response code / Error code
(1) ACK reply : 06h
When the projector receves the Set, Increment, Decrement or Execute
command correctly, the projector changes the setting data for the specified
tem by [Type], and t returns the code.
(2) NAK reply : 15h
When the projector cannot understand the receved command, the projector
returns the error code.
In such a case, check the sendng code and send the same command agan.
(3) Error reply : 1Ch + 0000h
When the projector cannot execute the receved command for any reasons,
the projector returns the error code.
In such a case, check the sendng code and the settng status of the projector.
(4) Data reply : 1Dh + xxxxh
When the projector receves the GET command correctly, the projector returns
the responce code and  bytes of data.
NOTE • Operaton cannot be guaranteed when the projector receves an
undefined command or data.
• Provde an nterval of at least 40ms between the response code and any
other code.
• The projector outputs test data when the power supply s swtched ON, and
when the lamp s lt. Ignore ths data.
• Commands are not accepted durng warm-up.
ViewSonic
("h" shows hexadecmal)
68 PJL9371