(RST?) If the RST CLI command is write only, this read
request will return ‘?’.
A more descriptive error message on the errors can then be
queried with the (ERR?) command. The following message are
defined:
(No Error Detected)
(Unknown command)
(Unknown parameter)
(Command not supported by this projector)
(Command only available in Power on)
(Projector not ready to be turned on)
(Command only available with valid input source)
(Command only available with external module)
(Command failed)
(Write only Command)
(Command only available in RGB)
(Command only available in VIDEO)
(Command only available in NTSC)
1.1.8 Limitations
The CLI cannot respond to commands coming in at a high rate.
Therefore, a delay must occur between commands to ensure that the
command is properly executed before the next one is received.
The recommended approach for interfacing to the projector is:
Read:
1. Send the read command
2. Receive read response
Write
1. Send the write command
2. Verify that an error response ‘?’ was not received.
Continually query (for a predefined time) the setting until the value has
changed
Some settings don’t implement the full range of values in the setting’s defined range.
If an attempt is made to change the setting to an unsupported value, the CLI will
round down to the nearest supported value.
1.1.9 Help Commands
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