HP xp8010 series Reference page 8

The following table illustrates the types of notifications that can result if a request uses
incorrect syntax.
This incorrect syntax...
No asterisk at start of request
Unrecognized keyword
Invalid parameter
Specifies an action with an
unnecessary parameter
Requests a valid setting that is
unavailable (for example, due to
lack of an input source, or to the
setting not being supported for the
input source)
Attempts to increment/decrement a
setting past its defined limits.
Attempts to modify a read-only
setting.
8
Generates this type of notification
None:
Request:
Notification:
None:
Request:
Notification:
Echoes the request keyword with the current
value:
Request:
Notification:
Ignores the parameter, executes the request
keyword, and echoes the keyword:
Request:
Notification:
Echoes the request keyword, with a question
mark instead of a value:
Request:
Notification:
Ignores the request, and echoes the keyword
with the current value for the setting. For
example, if BRT is set to 100 (its maximum):
Request:
Notification:
Ignores the request, and echoes the keyword
with the current value for the setting:
Request:
Notification:
PMOD=1<CR>
*BTR=65<CR>
*BRT=–65<CR>
*BRT=10<CR><LF>
*SYNC=65<CR>
*SYNC<CR><LF>
*CSPC=0<CR>
*CSPC=?<CR><LF>
*BRT=+<CR>
*BRT=100<CR><LF>
*STAT=3<CR>
*STAT=1<CR><LF>
RS-232 protocol reference