ViewSonic Projector Pro9500 User Manual

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• In standby mode, the POWER indicator will flash green for approx. 3 
seconds when at least 1 “Power ON” schedule is saved.
• When the schedule function is used, the power cord must be connected to the 
projector and the outlet. The schedule function does not work when the breaker 
in a room is tripped. The power indicator will lights orange or green when the 
projector is receiving AC power. NOTE
Schedule Settings 7.3 Event Scheduling(Continued)
Schedule settings can be...

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7.3 Event Scheduling(Continued)
Date/Time Settings
• The battery for the built in clock may be dead if the clock loses time 
even when the date and time have been set correctly. Replace the battery by 
following the instructions on replacing the battery. 
(Replacing the internal clock battery in the Quick Start Guide )
• The internal clock’s time may not remain accurate. Using SNTP is 
recommended to maintain accurate time. NOTE
The Date/Time setting can be adjusted via a web...

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7.4  Command Control via the Network
You can configure and control the projector via the network using RS-232C 
commands.
Communication Port
The following two ports are assigned for the command control.
Command Control Settings
4) 
 Click the [Enable] check box to open Network Control Port1 (Port: 23) to use 
TCP #23. Click the [Enable] check box for the [Authentication]  setting when 
authentication is required, otherwise clear the check box.
5) 
 Click the [Enable] check box to...

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7.4  Command Control via the Network (Continued)
When the authentication setting is enabled, the following settings are required.
7) Click the [Security Settings] on the main menu. 
8) Click the [Network Control] and enter the desired authentication password. * See NOTE.
9) Click the [Apply] button to save the settings.
NOTE
7. Other Functions
• The Authentication Password will be the same for  Network Control 
Port1 (Port: 23), Network Control Port2 (Port: 9715), PJLink™ Port...

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Command Format
Command formats differ among the different communication ports.
● 
 TCP #23 
You can use the RS-232C commands without any changes. The reply data 
format is the same as the RS-232C commands.  
However, the following reply will be sent back in the event of authentication 
failure when authentication is enabled.
Header Data length RS-232Ccommand Check SumConnection 
ID
0x02 0x0D 13 bytes 1 byte1 byte
Reply Error code
0x1F 0x040x00

Header
  →   0x02, Fixed
Data...

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Reply Data format
The connection ID (the data is same as the connection ID data on the sending 
data format) is attached to the RS-232C commands reply data.

ReplyConnection 
ID
0x06 1 byte

ReplyConnection 
ID
0x15 1 byte

Reply Error code Connection 
ID
0x1C 2 bytes 1 byte



Reply DataConnection 
ID
0x1D 2 bytes 1 byte
ReplyStatus code Connection 
ID
0x1F 2 bytes 1 byte
ReplyAuthentication 
Error code Connection 
ID
0x1F 0x040x00 1 byte
7. Other Functions
7.4  Command Control...

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Automatic Connection Break
The TCP connection will be automatically disconnected after there is no 
communication for 30 seconds after being established.
The projector does not accept commands without authentication success 
when authentication is enabled. The projector uses a challenge response type 
authentication with an MD5 (Message Digest 5) algorithm.
When the projector is using a LAN, a random 8 bytes will be returned if 
authentication is enabled. Bind this received 8...

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8. Troubleshooting
8. Troubleshooting
ProblemLikely Cause Things to CheckReference 
Page 
Number
No image The projector is not turned 
on.
Is the projector’s lamp on? 18, 100  
in the 
Operating  Guide
The projector’s input source 
isn’t switched to LAN. Is the projector switched to 
LAN? 19, 20  
in the 
Operating  Guide
Connection to the Network
The projector 
that you want 
to connect to is 
nowhere to be 
found on the 
list of available 
projectors The computer and/or...

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ProblemLikely Cause Things to CheckReference
 
Page 
Number
Network Presentation
The projected 
image is rather 
slow compared 
to that of the 
computer The projector isn’t capable 
of relaying dynamic images 
such as PowerPoint® 
animation at full speed. Switching the priority to 
‘Transmission Speed’ under 
the options menu may help 
to improve speed.
41
The compression rate being 
used for transferring the 
images is too low. Switching the priority to 
‘Transmission Speed’...

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ProblemLikely Cause Things to CheckReference
 
Page 
Number
Others
- 
 
Information from 
the projector 
to computer is 
not correct or 
completed
- 
 
The projector does 
not respond
- 
 
Image on screen 
is frozen.
  Communication between the 
projector and computer is not 
working well.
NETWORK Functions of the 
projector is not working well. Try “RESTART” in SERVICE 
menu under the NETWORK 
menu.
70  
in the 
Operating  Guide
8. Troubleshooting (Continued)
8. Troubleshooting