Christie Projector LWU421 User Manual

59Network Guide020-000475-02 Rev. 1 (06-2012)
LX501/LX601i/LW401/LW551i/LWU421/LWU501i
7.3 Event Scheduling
The scheduling function enables to setup scheduled events including power on / 
power off. It enables to be “self-management” projector. 
• You can schedule the following control events: Power, Input Source, 
My Image, Messenger, Slideshow. (
&28)
• The power on event has the lowest priority among the all events that are 
defined at the same time. 
• There are 3 types of Scheduling, 1) daily 2)...

60Network Guide020-000475-02 Rev. 1 (06-2012)
LX501/LX601i/LW401/LW551i/LWU421/LWU501i
• 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...

61Network Guide020-000475-02 Rev. 1 (06-2012)
LX501/LX601i/LW401/LW551i/LWU421/LWU501i
7.3 Event Scheduling(continued)
Date/Time Settings (
&30)
• The internal clock’s time may not remain accurate. Using SNTP is
recommended to maintain accurate time (
&31).
• Once you turn off the projector in the SAVING mode (
&SETUP menu in the 
Operating Guide ) or the AC power, the current date and time setting is reset.
NOTE
The Date/Time setting can be adjusted via a web browser.
Example: If the IP address of the...

62Network Guide020-000475-02 Rev. 1 (06-2012)
LX501/LX601i/LW401/LW551i/LWU421/LWU501i
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  (
&22)
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...

63Network Guide020-000475-02 Rev. 1 (06-2012)
LX501/LX601i/LW401/LW551i/LWU421/LWU501i
7.4  Command Control via the Network (continued)
When the authentication setting is enabled, the following settings are required.   
(
&32)
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...

64Network Guide020-000475-02 Rev. 1 (06-2012)
LX501/LX601i/LW401/LW551i/LWU421/LWU501i
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. (
&RS-232C Communication 
in the Operating Guide - Technical) 
However, the following reply will be sent back in the event of authentication 
failure when authentication is enabled.
Header Data length RS-232Ccommand...

65Network Guide020-000475-02 Rev. 1 (06-2012)
LX501/LX601i/LW401/LW551i/LWU421/LWU501i
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...

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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...

67Network Guide020-000475-02 Rev. 1 (06-2012)
LX501/LX601i/LW401/LW551i/LWU421/LWU501i
7. Other Functions
7.5  Crestron RoomView®
Crestron RoomView® is a multi-user resource management program provided 
by Crestron Electronics, Inc. It is an application for managing and controlling the 
projector and other AV devices collectively. 
For details of Crestron RoomView
®, refer to the Crestron® website.
URL: http://www.crestron.com (as of Jun. 2012)
The following communication interfaces can be used to manage...

68Network Guide020-000475-02 Rev. 1 (06-2012)
LX501/LX601i/LW401/LW551i/LWU421/LWU501i
8. Troubleshooting
8. Troubleshooting
ProblemLikely Cause Things to CheckReference 
Page 
Number
Can't communicate
Weak radio signal • Bring the computer and 
projector closer together.
• Radio waves won’t go 
through concrete and metal 
(steel doors, etc.) –
Cannot communicate due 
to configure wireless / 
encryption settings. If there is a wireless 
configuration utility loaded 
on your computer, check its...