5.Command transmission timing
5.1.Standby state
1) For all model with the standby configuration of "network on"
The first command can be sent anytime and the subsequent commands should be sent after receiving a colon from the projector.
2) Other than 1)
PWR ON can be sent any time.
5.2.Power-on state
A command should be sent after receiving the colon of the previous command from the projector. The following is an exception. When the
PWR OFF command is sent to 7800/7850/8300/9300 with the standby configuration of "network off", the subsequent command should be
sent 10 seconds after the colon is received.
In case that you can not wait for the colon and send a command after receiving it, instead send a command after the execution time listed in the
following table.
Command
PWR ON
PWR OFF (note 4)
SOURCE (note3)
All others
(note1) When a projector receives the PWR ON command, it tries to ignite the lamp by activating the ballast unit. In case that the lamp fails to
be ignited, it tries to ignite the lamp three times at maximum.
When the lamp fails to be ignited three times, it is a lamp failure.
The projector returns a colon within 40, 70 and 100 seconds when successful in the first, second and third times respectively.
(note2) When the input video sync signal is stable, a colon is returned within 5 seconds. However, it may take more than 5 seconds when the
input video sync signal is unstable.
(note3) Projector initiates the process of the input video signal recognition when it receives a SOURCE command. If the signal of the video
input is changing (for example, from SVGA to XGA by A/V controller) during the process of the input video signal recognition, the
projector returns "ERR".
(note 4) Projectors execute the PWR OFF command after they start completely.
(note 5) Projectors might return "ERR" when "Quick Setup" and "Auto Focus" functions are set to ON.
5.3.Warning and abnormal cases
Projector executes commands normally while a warning indicator such as a high temperature warning is on.
Projector does not execute commands nor return a colon when the projector is in an abnormal state such as a lamp failure and abnormal high
temperature.
As for EMP-6100/6000, EMP-1715/1710/1705/1700, EMP-1815/1810, EMP-S5/X5/83/822 and the following models, when an abnormal
state is continued for 130 seconds after, PWR ON command becomes possible.
ESC/VP21 Command User's Guide for Business Projectors
Models
-
830/835 (note 5)
7900/7950/740/745
61/81/821/828/S3/S4
600/800/810/811/820
All others
830/835
740/745
821
732/737
S3/S4
765/760
755/750
62/82/X3(76)
6100/6000
1715/1710/1705/172
1815/1810/1825
S5/X5/83/822/83+/822+/EX90
260/280
6110/6010
400W
G5350/G5300/G5150/G5100/
G5200W/G5000
-
-
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Execution time
40 seconds (note 1)
20 seconds
25 seconds
130 seconds
50 seconds
10 seconds
20 seconds
5 seconds
5 seconds (note 2)
3 seconds
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