Acer X233hb Users Guide

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CONNECTOR PIN ASSIGNMENT 
 
 
 
 
 
 
 
 
 
15-Pin Color Display Signal Cable 
 
 
PIN NO.  DESCRIPTION  PIN NO.  DESCRIPTION 
1. Red 9. +5V 
2. Green 10. Logic Ground 
3. Blue 11. Monitor Ground 
4. Monitor Ground 12. DDC-Serial Data 
5. DDC-return 13.  H-Sync 
6. R-Ground 14.  V-Sync 
7. G-Ground 15. DDC-Serial Clock 
8. B-Ground     
 
 
						

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24-Pin Color Display Signal Cable 
 
PIN   Meaning  PIN  Meaning 
1.  TMDS Data2-  13.  TMDS Data3+ 
2.  TMDS Data2+  14.  +5V Power 
3. TMDS Data 2/4 
Shield 15. GND(return for 
+5V hsync.vsync) 
4.  TMDS Data4-  16.  Hot Plug Detect 
5.  TMDS Data4+  17.  TMDS Data0- 
6.  DDC Clock  18.  TMDS Data0+ 
7.  DDC Data  19.  TMDS Data 0/5 
8. Analogue Vertical 
Sync 20. TMDS Data5- 
9.  TMDS Data1-  21.  TMDS Data5+ 
10.  TMDS Data1+  22.  TMDS Clock Shield 
11 .  TMDS Data 1/3 
Shield 23. TMDS Clock+ 
12.  TMDS Data3-  24.  DDC TMDS Clock- 
 
 
						

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STANDARD TIMING TABLE 
  
Mode Resolution 
1 VGA 640 x 480 60 Hz 
2 VGA 640 x 480 66.6 Hz 
3 VESA 720 x 400 70  Hz 
4 SVGA 800 x 600 56 Hz 
5 SVGA 800 x 600 60  Hz 
6 XGA 1024 x 768 60 Hz 
7 XGA 1024 x 768 70  Hz 
8 VESA 1152 x 864 75  Hz 
9 WXGA 1280 x 800 60  Hz 
10 SXGA 1280 x 1024 60  Hz 
11 WXGA+ 1440 x 900 60  Hz 
12 UXGA 1920 x 1080 60  Hz 
 
 
						

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INSTALLATION 
To install the monitor to your host system, please follow the steps as given 
below: 
Steps 
1.  1-1  Connect Video Cable 
  a. Make sure both the monitor and computer are powered-OFF. 
  b. Connect the VGA video cable to the computer. 
  1-2  Digital Cable (Only Dual-Input Model) 
  a. Make sure both the monitor and computer are powered-OFF. 
  b. Connect one end of the 24-pin DVI cable to the back of the monitor and connect the other end to 
the computers port. 
2.  Connect the audio input socket (AUDIO IN) of the LCD monitor and the computer by means of the 
audio cable. (Optional) 
3.  Connect power cord 
Connect the power cord to the monitor, then to a properly grounded AC outlet. 
4.  Power-ON Monitor and Computer 
Power-ON the monitor first, then power-ON the computer. 
This sequence is very important. 
5.  If the monitor still does not function properly, please refer to the troubleshooting section to diagnose 
the problem. 
 
 
 
 
 
						

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USER CONTROLS 
 
 
 
Front Panel Controls 
1.Power Switch: 
To turn ON or OFF the power. 
 
2.Power LED: 
Lights up to indicate the power is turned ON. 
 
3.Empowering / Exit: 
1) When OSD menu is in active status, this button will act as EXIT-KEY(EXIT OSD menu). 
2) When OSD menu is in off status, press this button to select scenario 
mode. 
 
4.Auto Adjust button / Exit: 
1)When OSD menu is in active status, this button will act as EXIT-KEY (EXIT OSD menu). 
2)When OSD menu is in off status, press this button for 2 seconds to activate the Auto Adjustment function. 
The Auto Adjustment function is used to set the HPos, VPos, Clock and Focus. 
 
5.< / > 
Press < or > to select the desired function. Press < or > to change the settings of the current function. 
 
6.MENU / ENTER: 
Activate OSD menu when OSD is OFF or activate/de-activate adjustment function when OSD is ON. 
 
						

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HOW TO ADJUST A SETTING 
1.  Press the MENU-button to activate the OSD window. 
2.  Press < or > to select the desired function. 
3.  Press the MENU-button to select the function that you want to adjust. 
4.  Press < or > to change the settings of the current function. 
5.  To exit and save, select the exit function. If you want to adjust any other function, repeat steps 2-4. 
 
 P/X Series OSD behave 
When user press “MENU” button on front bezel 
 
 
 
A. Acer eColor Management 
If selected to “Acer eColor Management” item, will appear the Acer eColor” OSD 
B. USER 
If selected to “USER” item, will appear the Standard OSD 
 
  
I. Only Analog Input Model  II. Only Dual Input ModeI 
 
						

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ADJUSTING THE PICTURE 
The descriptions for function control LEDS 
 
A. Acer eColor Management 
Main Menu 
icon Sub Menu 
icon Sub Menu item Description 
 N/A  User mode  User defined. Settings can be fine-tuned to suit any situation
 N/A Text mode Optimal balance of brightness and contrast prevent 
eyestrain. The most comfortable way to read onscreen text
 N/A  Standard mode Default Setting. Reflects native display capability 
 N/A  Graphic mode Enhances colors and emphasize fine detail 
 N/A Movie mode Displays scenes in clearest detail. Pictures and 
photographs appear in vibrant colors with sharp detail  
B. USER. 
Main Menu 
icon Sub Menu 
icon Sub Menu item Description 
 
 Contrast Adjust the contrast between the foreground and background 
of the screen image 
 Brightness  Adjust the background brightness of the screen image 
 ACM ACM (Adaptive Contrast Management)A CM ON/OFF 
Switch, default OFF 
 
 Focus Adjust picture Focus 
(available in analog mode only) 
 Clock Adjust picture Clock 
(available in analog mode only) 
 
 
						

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Main Menu 
icon Sub Menu icon  Sub Menu item  Description 
 
 H. Position Adjust the horizontal position. 
(available in Analog mode only) 
 V. Position Adjust the vertical position.   
(available in Analog mode only) 
 N/A  Warm  Set the color temperature to warm white. 
N/A  Cool  Set the color temperature to cool white. 
 User /Red 
Adjusts Red/Green/Blue intensity 
 User /Green 
 User /Blue 
 N/A English 
Multi-language selection. 
N/A 繁體中文 
N/A Deutsch 
N/A Français 
N/A Español 
N/A Italiano 
N/A 简体中文 
N/A 日本語 
N/A Suomi 
EMEA version OSD only 
N/A Nederlands 
N/A Русский 
 
 H. Position  Adjust the horizontal position of the OSD. 
 V. Position  Adjust the vertical position of the OSD. 
 OSD Timeout  Adjust the OSD timeout. 
 N/A  Analog  Select input signal from analog (D-Sub) 
N/A Digital (only Dual 
Input Model) Select input signal from digital(DVI) 
(only Dual-Input Model) 
N/A  DDC/CI  Turn ON/OFF DDC/CI support 
 N/A Information Show the resolution, H/V frequency and input port of 
current input timing. 
 N/A Reset Clear each old status of Auto- 
configuration and set the color temperature to Warm.
 N/A  Exit  Save user adjustment and OSD disappear. 
 
						

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Acer eColor Management OSD 
 
 
 
 
 
 
Operation instructions 
 
Acer eColor Management
 
Step 1: 
Press “ 
  Key” to open the Acer eColor Management OSD and access the scenario modes 
Step 2:  Press “” to select the mode 
Step 3:  Press “Auto Key” to confirm the mode and run Auto Adjust 
 
Features and Benefits 
 
M M
o o
d d
e e
   F F
e e
a a
t t
u u
r r
e e
s s
   B B
e e
n n
e e
f f
i i
t t
s s
   
S S
t t
a a
n n
d d
a a
r r
d d
   Default settings  Reflects native display capability 
T T
e e
x x
t t
   Optimal balance of brightness and 
contrast prevents eyestrain The most comfortable way to read onscreen 
text 
G G
r r
a a
p p
h h
i i
c c
s s
   Enhances colors and emphasizes fine 
detail Pictures and photographs appear in vibrant 
colors with sharp detail 
M M
o o
v v
i i
e e
   Displays scenes in clearest detail Presents great visuals, even in unsuitably-lit 
environments 
U U
s s
e e
r r
   User defined  Settings can be fine-tuned to suit any situation
 
User 
mode Te x t  
modeStandard 
mode Graphic 
mode Movie 
mode 
 
						

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TROUBLESHOOTING 
Before sending your LCD monitor for servicing, please check the troubleshooting list below to see if you can 
self-diagnose the problem. 
 
(VGA Mode) 
Problems Current Status  Remedy 
No Picture LED ON 
Using OSD, adjust brightness and contrast to maximum or 
reset to their default settings. 
LED OFF 
 Check the power switch. 
Check if AC power cord is properly connected to the 
monitor. 
LED displays amber 
color Check if video signal cable is properly connected at the 
back of monitor. 
Check if the power of computer system is ON. 
Abnormal Picture Unstable Picture 
Check if the specification of graphics adapter and monitor is 
in compliance which may be causing the input signal 
frequency mismatch. 
Display is missing, 
center shift, or too small 
or too large in display 
size 
Using OSD, adjust RESOLUTION, CLOCK, 
CLOCK-PHASE, H-POSITION and VPOSITION with 
non-standard signals. 
Using OSD, in case of missing full-screen image, please 
select other resolution or other vertical refresh timing. 
Wait for a few seconds after adjusting the size of the image 
before changing or disconnecting the signal cable or 
powering OFF the monitor. 
 
(DVI Mode) 
Problems Current Status  Remedy 
No Picture LED ON 
Using OSD, adjust brightness and contrast to maximum or 
reset to their default settings. 
LED OFF 
 Check the power switch. 
Check if AC power cord is properly connected to the 
monitor. 
LED displays amber 
color 
Check if video signal cable is properly connected at the 
back of monitor. 
 Check if the power of computer system is ON.