BenQ Rl2455hm User Manual

							  11   How to assemble your monitor hardware (RL2450H / RL2455HM)
Gently attempt to pull them back apart to check that 
they have properly engaged.
Carefully lift the monitor, turn it over and place it 
upright on its stand on a flat even surface.
You should position the monitor and angle the screen to 
minimize unwanted reflections from other light sources.
2. Connect the PC video cable
Do not use both DVI-D cable and D-Sub cable on the same 
PC. The only case in which both cables can be used is if they 
are connected to two different PCs with appropriate video 
systems.
To Connect the D-Sub Cable
Connect the plug of the D-Sub cable (at the end 
without the ferrite filter) to the monitor video socket. 
Connect the other end of the cable (at the end with the 
ferrite filter) to the computer video socket.
Tighten all finger screws to prevent the plugs from 
accidently falling out during use.
-5O ~ +15O-5O ~ +15O
Either
 
						

							12  How to assemble your monitor hardware (RL2450H / RL2455HM)  
To Connect the DVI-D Cable
Connect the plug of the DVI-D cable (at the end 
without the ferrite filter) to the monitor video socket. 
Connect the other end of the cable (at the end with the 
ferrite filter) to the computer video socket.
Tighten all finger screws to prevent the plugs from 
accidently falling out during use.
To Connect the HDMI Cable
Connect the plug of the HDMI cable to the HDMI port 
on the monitor. Connect the other end of the cable to 
the HDMI port of a digital output device.
If there is more than one video transmission method 
available to you, you might want to take the picture quality 
of each video cable into consideration before making the 
connection.
- Better quality: HDMI / DVI-D
- Good quality: D-Sub
The video cables included in your package and the socket 
illustrations on the right may vary depending on the product 
supplied for your region.
3. Connect the audio cable (for models with 
speakers).
Connect the audio cable between the socket on the 
rear of the monitor (Line In) and your computer audio 
outlet.
You may connect headphones to the headphone jack 
found on the back side of the monitor.
Or
Or
 
						

							  13   How to assemble your monitor hardware (RL2450H / RL2455HM)
4. Connect the power cable to the monitor.
Plug one end of the power cord into the socket labelled 
 on the rear of the monitor. Do not connect the 
other end to a power outlet just yet. 
5. Connect-to and turn-on the power.
Plug the other end of the power cord into a power 
outlet and turn it on.
Picture may differ from product supplied for your region.
Turn on the monitor by pressing the power button on 
the monitor. 
Turn on the computer too, and follow the instructions 
in Getting the most from your BenQ monitor on page 
23 to install the monitor software.
To extend the service life of the product, we recommend 
that you use your computers power management function.
 
						

							14  How to assemble your monitor hardware (RL2450H / RL2455HM)  
How to detach the stand base
1. Prepare the monitor and area.
Turn off the monitor and the power before unplugging 
the power cable. Turn off the computer before 
unplugging the monitor signal cable.
Protect the monitor and screen by clearing a flat open 
area on your desk and placing a soft item like a towel on 
the desk for padding, before laying the screen face down 
on a flat clean padded surface.
Please be careful to prevent damage to the monitor. Placing 
the screen surface on an object like a stapler or a mouse will 
crack the glass or damage the LCD substrate voiding your 
warranty. Sliding or scraping the monitor around on your 
desk will scratch or damage the monitor surround and 
controls. 
2. Push the locking clips upward to detach the 
monitor base from the monitor stand arm.
While pushing the locking clips upward, detach the 
stand base from the stand arm.
3. Remove the monitor stand.
Insert a pointed object such as a screwdriver to the 
hole above the monitor stand arm, and then push 
the screwdriver against the release button inside 
the hole. Then pull the monitor stand backward 
away from the monitor.
1
2
1
2
Release 
button
 
						

							  15   How to assemble your monitor hardware
Using the monitor wall mounting kit
The back of your LCD monitor has a VESA standard mount with 100mm pattern, allowing the 
installation of a wall mount bracket. Before starting to install a monitor wall mounting kit, 
please read the precautions carefully.
Precautions
• Install your monitor and monitor mounting kit on a wall with flat surface.
• Ensure that the wall material is stable to support the weight of the monitor.
• Turn off the monitor and the power before disconnecting the cables from the LCD monitor.
1. Remove the monitor stand.
Lay the screen face down on a clean and 
well-padded surface. 
Detach the monitor base as instructed in How to 
detach the stand base on page 14. 
2. Follow the instruction manuals of the wall 
mount bracket you purchased to complete 
the installation.
1
2
Release 
button
 
						

							16  Assembling your monitor with a height adjustment stand (RL2450HT)  
Assembling your monitor with a height adjustment stand 
(RL2450HT)
How to attach the monitor base
• If the computer is turned on you must turn it off before continuing. 
Do not plug-in or turn-on the power to the monitor until instructed to do so.
• The following illustrations are for your reference only. Available input and output jacks may vary depending on 
the purchased model.
Please be careful to prevent damage to the monitor. Placing 
the screen surface on an object like a stapler or a mouse will 
crack the glass or damage the LCD substrate voiding your 
warranty. Sliding or scraping the monitor around on your 
desk will scratch or damage the monitor surround and 
controls.
Protect the monitor and screen by clearing a flat open 
area on your desk and placing a soft item like the 
monitor packaging bag on the desk for padding.
Gently lay the screen face down on a flat clean padded 
surface.
While holding the monitor firmly against the desk, pull 
the monitor stand arm upwards clear of the monitor.
Orient and align the stand base socket with the end of 
the stand arm, then push them together. Tighten the 
thumbscrew on the bottom of the monitor base as 
illustrated. 
Gently attempt to pull them back apart to check that 
they have properly engaged.
Carefully lift the monitor, turn it over and place it 
upright on its stand on a flat even surface.
1
2
3
 
						

							  17   Assembling your monitor with a height adjustment stand (RL2450HT)
Extend the monitor to the maximum extended position. 
Then tilt the monitor. And rotate the monitor 90 
degrees counterclockwise as illustrated.
You might want to adjust the monitor stand height. See 
Adjusting the monitor height on page 19 for more 
information.
You should position the monitor and angle the screen to 
minimize unwanted reflections from other light sources.
-90
-5-5O O ~ +15~ +15O-5O ~ +15O
 
						

							18  Assembling your monitor with a height adjustment stand (RL2450HT)  
How to detach the base
To move the monitor properly, you should extend the monitor to its maximum 
height, then place one hand on the upper part of the monitor stand and the other 
hand on the lower part of the stand as illustrated.
1. Prepare the monitor and area.
Turn off the monitor and the power before unplugging 
the power cable. Turn off the computer before 
unplugging the monitor signal cable.
Gently lift the display up and extend the stand to the 
maximum extended position.
Protect the monitor and screen by clearing a flat open 
area on your desk and placing a soft item like a towel on 
the desk for padding, before laying the screen face down 
on a flat clean padded surface.
Please be careful to prevent damage to the monitor. Placing 
the screen surface on an object like a stapler or a mouse will 
crack the glass or damage the LCD substrate voiding your 
warranty. Sliding or scraping the monitor around on your 
desk will scratch or damage the monitor surround and 
controls. 
2. Release the thumbscrew on the bottom of 
the monitor base and detach the monitor 
base as illustrated.
1
2
 
						

							  19   Assembling your monitor with a height adjustment stand (RL2450HT)
Adjusting the monitor height
To adjust the monitor height, hold both the left and the 
right sides of the monitor to lower the monitor or lift it 
up to the desired height.
• Avoid placing hands on the upper or lower part of the 
height-adjustable stand or at the bottom of the monitor, as 
ascending or descending monitor might cause personal 
injuries. Keep children out of reach of the monitor while 
performing this operation.
• If the monitor has been rotated to portrait mode and height adjustment is desired, you 
should be noted that the wide screen will keep the monitor from being lowered to its 
minimum height.
 
						

							20  Assembling your monitor with a height adjustment stand (RL2450HT)  
Rotating the monitor
1. Pivot the display.
Before rotating the monitor with a portrait viewing orientation, the display has to be rotated 90 degrees.
Right-click the desktop and select Screen resolution from the popup menu. Select Portrait in 
Orientation, and apply the setting.
Depending on the operation system on your PC, different procedures should be followed to adjust the screen 
orientation. Refer to the help document of your operation system for details.
2. Fully extend the monitor and tilt it.
Gently lift the display up and extend it to the maximum 
extended position. Then tilt the monitor.
The monitor should be vertically extended to allow to rotate 
from landscape to portrait mode. 
3. Rotate the monitor 90 degrees clockwise as 
illustrated. 
To avoid the edge of the LCD display hitting the monitor base 
surface while it is being rotated, do tilt and extend the 
monitor to the highest position before you start to rotate the 
display. 
You should also make sure there are no obstacles around the 
monitor and there is enough room for cables. You might need 
to route the cables again via the cable clip after the rotation.
90