Vivitek Projector DH558 User Manual

— 2 — 
Views of Projector Parts  
Front-right View 
 
ITEM LABEL DESCRIPTION SEE PAGE 
1.  IR receiver Receive IR signal from remote control 
2.  Lens Projection Lens 
3.  Focus ring Focuses the projected image 
14 
4.  Zoom ring Enlarges the projected image 
5.  Function keys See Top view—On-screen Display (OSD) 
buttons and LEDs. 3 
 Important: 
Ventilation openings on the projector allow for good air circulation, which keeps the projector lamp 
cool. Do not obstruct any of the ventilation openings....

– 3 – 
Top view—On-screen Display (OSD) buttons and LEDs 
 
ITEM LABEL DESCRIPTION SEE 
PAGE 
1.  Keystone  Navigates and changes settings in the OSD 
Quick Menu – For Keystone 
15 
2.  MENU Opens and exits OSD menus 
3.  SOURCE Navigates and changes settings in the OSD 
Enter the Source menu 
4.  Keystone  Navigates and changes settings in the OSD 
Quick Menu – For Keystone 
5.  AUTO Navigates and changes settings in the OSD 
Optimizes image size, position, and resolution 
6.   (Power button) Turns the...

— 4 — 
 Rear view 
 Warning: 
As a safety precaution, disconnect all power to the projector and connecting devices before making 
connections. 
 
 
ITEM LABEL DESCRIPTION SEE PAGE 
1.  AC IN Connect the POWER cable 9 
2.  HDMI 
Connect the HDMI cable from a HDMI device 
Connect the MHL cable from a MHL-compatible device. Note: For some MHL compatible devices, whose output is not thru 
micro-USB, an extra cable adaptor may be required. 
3.  RS-232C Connect RS-232 serial port cable for remote control 
4....

–
 5  –  Bottom view 
 
I TEM   L ABEL   D ESCRIPTION   S EE PAGE  
1.     Ceiling support holes   Contact your dealer for information on mounting the projector on a 
ceiling  
2.     Tilt adjustor    Rotate adjuster lever to adjust angle position.   
13  
 
Note:  
When installing, ensure that you use only UL Listed ceiling mounts.  
For ceiling installations, use approved mounting hardware and M4 screws with a maximum screw 
depth of 
6 mm (0. 24 inch).   
The construction of the ceiling mount must be...

— 6 — 
Remote Control Parts  
 
ITEM LABEL DESCRIPTION SEE PAGE 
1.  Up cursor Navigates and changes settings in the OSD  
15 
2.  Enter Changes settings in the OSD 
3.  Power Turns the projector On or Off 9 
4.  Right cursor Navigates and changes settings in the OSD 15 
5.  Volume + Increase volume 
14 
6.  Volume - Decrease volume 
7.  Mute Audio mute 
Note : Available in different model 
8.  Freeze Freeze/unfreezes the on-screen picture 
9.  Source Detects the input device 
10.  Auto Auto adjustment...

– 7 – 
Inserting the Remote Control Batteries 
 
1.  Remove the battery compartment 
cover by sliding the cover in the 
direction of the arrow (A). Pull out the 
cover (B). 
 
2.  Insert the battery with the positive 
side facing up. 
 
3.  Replace the cover. 
 
 
 Caution: 
1. Only use a 3V lithium battery (CR2025). 
 
2. Dispose of used batteries according to local ordinance regulations.  
 
3. Remove the batteries when not using the projector for prolonged periods. 
 
 
 
      

— 8 — 
 Important: 
1. Avoid using the projector with bright fluorescent lighting turned on. Certain high-frequency 
fluorescent lights can disrupt remote control operation. 
 
2. Be sure nothing obstructs the path between the remote control and the projector. If the path 
between the remote control and the projector is obstructed, you can bounce the signal off certain 
reflective surfaces such as projector screens. 
 
3. The buttons and keys on the projector have the same functions as the corresponding...

– 9 – 
SETUP AND OPERATION 
Starting and Shutting down the Projector 
 
1.  Connect the power cord to the 
projector. Connect the other end to 
a wall outlet. 
The  POWER LED on the 
projector light. 
 2.  Turn on the connected devices. 
3.  Ensure the POWER LED not a 
flashing. Then press the  POWER 
button to turn on the projector.  
 
The projector splash screen displays 
and connected devices are 
detected. 
 
See Setting an Access Password 
(Security Lock) on page 11 if 
security lock is enabled....

— 10 — 
5.  When the “Power Off? /Press 
Power again” message appears, 
press the POWER button. The 
projector turns off.  
 Caution: 
Do not unplug the power cord until the POWER LED stops flashing–indicating the projector has 
cooled down. 
 
   

– 11 – 
Setting an Access Password (Security Lock) 
You can use the four (arrow) buttons to set a password and prevent unauthorized use of the projector. 
When enabled, the password must be entered after you power on the projector. (See Navigating the 
OSD on page 15 and Setting the OSD Language on page 16 for help on using OSD menus.) 
 Important: 
Keep the password in a safe place. Without the password, you will not be able to use the projector. 
If you lose the password, contact your reseller for...