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Response (Callback) of the basic control command
In the period when commands can be accepted
Differs according to each command.
In the period when commands cannot be accepted
Hexadecimal 02h 45h 52h 34h 30h 31h 03h
Character E R 4 0 1
In case of the parameter error
Hexadecimal 02h 45h 52h 34h 30h 32h 03h
Character E R 4 0 2
Notes when two or more projectors are used
• Make the communication conditions the same between output/input. IN and OUT can be independently
set respectively. (When you set RS-422 OUT of the first projector to 38 400 bps, set RS-422 IN of the
second projector to 38 400 bps.)
• Make only one in VPS SYSTEM MASTER and make all of the remainder VPS SYSTEM SLAVE.
• Set ID number different in each projector.
• I/O to RS-422 OUT is not done during MAIN POWER OFF. Turn on MAIN POWER of all projectors.
• Make only one of the each group in GROUP MASTER and make all the remainder-GROUP SLAVE.
Attention:
• No command may be sent or received for 10 to 60 seconds after the lamp starts lighting. Try sending
any command after that period has elapsed.
• When sending several commands, be sure to wait for a response from the projector, and send the next
command after 0.5 seconds or more pass.
• It might take time by the time the response returns because the command is processed in the projector.
Set the time-out to ten seconds or more.
Notes:
• This projector will respond to the computer only in the following cases:
If the sent ID coincides with the projector ID,
VPS SYSTEM in RS232C settings of this projector is MASTER and the sent ID is ALL, or
If-Group (A—Z) of the sent ID coincides with GROUP in RS232C settings of this projector and
GROUP in RS232C settings of this projector is MASTER.
• When the command is received during STNDBY, this projector returns the receiving command as it is as
a response (callback) if it is in the period when the concerned command cannot be accepted.
• Each setting/query command concerning P IN P controls to information on the user being set by current
P IN P setting. Therefore, ER401 is returned as a response (callback) when P IN P setting is OFF.