Epson Stylus Color 740 Manuale d'uso - Pagina 7

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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