Vivitek Projector D91X User Manual

DLP Projector—User’s Manual 
Select “Turn Windows features on or off” to open 
 
Have “Telnet Client” option che cked, then press “OK” button. 
 
Specsheet for “RS232 by TELNET” : 
1. Telnet: TCP 
2. Telnet port: 23  
(for more detail, kindly please get contact with the service agent or team) 
3. Telnet utility: Windows “T ELNET.exe” (console mode) 
4. Disconnection for RS232-by-Telnet control normally: Close Wi ndows Telnet utility directly 
after TELNET connection ready 
5. Limitation 1 for...

DLP Projector—User’s Manual 
Advanced 2 Feature 
Press the Menu button to open the OSD menu. Press  ◄► to move to the  Settings 2 menu. Press 
▲▼  to move to the  Advanced 2 menu and then press  Enter or ►. Press ▲▼ to move up and down 
in the  Advanced 2  menu. Press  ◄► to
 enter and change values for setting. 
 
ITEM DESCRIPTION 
Sleep Timer  Press the cursor 
◄► button to enter and set Sleep timer. The projector automatically 
turns off after the preset period of time. 
Source Filter  Press  (Enter)...

DLP Projector—User’s Manual 
Source Filter 
Press the ENTER button to enter the  Source Filter sub menu. 
 
ITEM DESCRIPTION 
HDMI  Press the cursor ◄► button to enter and enable or disable the HDMI source. 
DP  Press the cursor ◄► button to enter and enable or disable the DisplayPort source. 
VGA1  Press the cursor ◄► button to enter and enable or disable the VGA1 source. 
VGA2  Press the cursor ◄► button to enter and enable or disable the VGA2 source. 
S-Video  Press the cursor ◄► button to enter and...

DLP Projector—User’s Manual 
– 45  – 
MAINTENANCE AND SECURITY 
Replacing the Projection Lamp 
The projection lamp should be replaced when it burns out. It should only be r eplaced with a certified 
replacement part, which you can order from your local dealer.  
Important: 
a.  The projection lamp used in this product contains a small amount of mercury. 
b.  Do not dispose this product  with general household waste. 
c. Disposal of this product must be carried out in a ccordance with the regulations of...

DLP Projector—User’s Manual 
2.  Remove the lamp 
compartment cover. 
 
3.  Remove the three screws 
from the lamp module. 
4.  Lift the module handle up. 
5.  Pull firmly on the module 
handle to remove the lamp 
module. 
 
6.  Reverse steps 1 to 5 to 
install the new lamp 
module.  
While installing, align the 
lamp module with the 
connector and ensure it is 
level to avoid damage. 
Note:  
The lamp module must sit 
securely in place and the 
lamp connector must be 
connected properly before...

DLP Projector—User’s Manual 
Resetting the Lamp 
After replacing the lamp, you should reset the lamp hour counter to zero. Refer to the following: 
1.  Press the MENU button to open 
the OSD menu. 
2.  Press the cursor  ◄► button to 
move to the  Settings 2 menu. 
Press the cursor button to move 
down to Advanced 1 and press 
enter. 
3.  Press the cursor  ▼▲ button to 
move down to  Lamp Hour Reset .
4.  Press the cursor ► or Enter 
button.  
A message screen appears. 
5.  Press  ▼▲◄►  buttons to reset...

DLP Projector—User’s Manual 
— 48 — 
Cleaning the Projector 
Cleaning the projector to remove dust and grime will help ensure trouble-free operation.  
Warning: 
1. Be sure to turn off and unplug the projector at  least 30 minutes before cleaning. Failure to do so 
could result in a severe burn. 
2. Use only a dampened cloth when cleaning. Do not allow water to enter the ventilation openings 
on the projector.  
3. If a little water gets into the projector interior  while cleaning, leave unplugged in a...

DLP Projector—User’s Manual 
Using the Kensington® Lock & Using the Security Bar 
 
Using the Kensington® Lock 
If you are concerned about security, attach the projector to a permanent object with the Kensington 
slot and a security cable.  
 
Note: 
Contact your vendor for details on purchasing a suitable Kensi ngton security cable.  
The security lock corresponds to Kensington’s Mi croSaver Security System. If you have any comment, contact: Kensington, 2853 Campus Drive, San Mateo, CA 94403, U.S.A....

DLP Projector—User’s Manual 
— 50 — 
TROUBLESHOOTING 
Common problems and solutions 
These guidelines provide tips to deal with problem s you may encounter while using the projector. If 
the problem remains unsolved, cont act your dealer for assistance. 
Often after time spent troubleshooting, the problem is traced to so mething as simple as a loose 
connection. Check the follow ing before proceeding to the  problem-specific solutions. 
  Use some other electrical device to confirm that the electrical...

DLP Projector—User’s Manual 
– 51  – 
LED Error Messages 
ERROR CODE MESSAGES POWER LED 
BLUE 
LAMP LED 
RED 
TEMP LED 
RED 
Lamp Ready  ON OFF  OFF 
Start Flashing  OFF OFF 
Cooling Flashing  OFF OFF 
Over Temperature  OFF OFF  ON 
T1 error  3 blinks 1 blinks  OFF 
Thermal Break Sensor error  4 blinks OFF OFF 
G794 error  4 blinks 4 blinks  OFF 
Lamp fail  5 blinks OFF OFF 
Ballast temp over  5 blinks 1 blinks  OFF 
Ballast circuit short  5 blinks 2 blinks  OFF 
Lamp End of lamp life detected  5 blinks...