Acer Projector K138ST User Manual

							1
EnglishIntroduction
Product Features
This product is a single-chip DLP® projector. Outstanding features include:
•DLP
® technology
•1280 x 800 WXGA resolution
4:3/16:9/Full/L.Box aspect ratio supported.
•Versatile display modes (Bright, Standard, Movie, Picture, Game, User) 
enable optimum performance in any situation.
•Compact size projector facilitates business purposes and home 
entertainment.
•Acer EcoProjeciton Technology delivers Intelligent power management 
approach and physical efficiency improvement.
•Equipped with HDMI™ connection supporting HDCP.
•Advanced digital keystone correction delivers optimum presentations.
•Multi-language on screen display (OSD) menus.
•1.0x digital zoom and pan move function.
•Environmental light source and longer life by LED solution.
•Microsoft
® Windows® XP, Vista®, Windows® 7, Windows® 8, Macintosh® 
OS compliant.
•Support MHL V2.0 signal display.
•Support LumiSense
+.
•Support BT audio speaker.
•Built-in two 3 Watts speaker with dts™ feature. 
						

							2
English
Package Overview
This projector comes with all the items shown below. Check to make sure your 
unit is complete. Contact your dealer immediately if any thing is missing.
Projector Power cord AC to DC power adapter
Remote control Battery (option) Users guide
Quick start guide Carrying case  VGA cable
MHL cable (option) HDMI cable (option) WirelessHD-Kit
(option)
WirelessAndroid-Kit
(option)WirelessCAST
(option)
DC 5V IN
MHL HDMI 
						

							3
EnglishProjector Overview
Projector Outlook
Front / upper side
Rear side
#Description#Description
1
Projection lens4
Control panel
2
Tilt adjusting wheel5
Power button
3
Focus ring6
Speakers
#Description#Description
1 Remote control receiver 5 HDMI/ MHL connector
2
KensingtonTM lock port6 Audio out connector
3PC analog signal/HDTV/component 
video input connector (VGA, VGA IN, 
VGA IN 1, VGA IN 2)7 5V DC output connector
4 Audio input connector 8 DC Input
4
2
1 3
56
6
DC 5V OUTVGA IN
13245786 
						

							4
English
Control Panel
#IconFunctionDescription
1 TEMP Temp Indicator LED
2 LAMP Lamp Indicator LED
3 POWER See the contents in Turning the Projector 
On/Off section.
4 Volume Increases/decreases the volume.
5MENU•Press MENU to launch the Onscreen 
display (OSD) menu, back to the 
previous step for the OSD menu 
operation or exit the OSD menu.
•Confirm your selection of items.
6MODE
Press MODE to select the display mode 
from Bright, Standard, Movie, Picture, 
Game and User.
7 Keystone Adjusts the image to compensate for 
distortion caused by tilting the projector. 
(±20 degrees)
8 SOURCE Changes the active source.
9 Four directional select 
keysUse   to select items or make 
adjustments to your selection.
10 RESYNC Automatically synchronizes the projector 
to the input source.
11 Ambient light sensor
12 Display Key Long press DOWN key will pop up a screen 
to ask if end user needs to do screen off.
9
12
3
44
87
7
10
11
6
5
12 
						

							5
EnglishRemote Control Layout
#IconFunctionDescription
1 Infrared 
transmitterSends signals to the projector.
2 POWER Refer to the Turning the Projector On/Off section.
3 3D Press 3D to select 3D models.
4 SOURCE Changes the active source.
5 MODE Press MODE to select the display mode from Bright, 
Standard, Movie, Picture, Game and User.
6 HIDE Momentarily turns off the video. Press HIDE to hide the 
image, press again to display the image.
7 MEDIA_SETUP No function.
8 RATIO To choose the desired aspect ratio.
9 ZOOM Zooms the projector display in or out.
10
FREEZETo pause the screen image.
11 MENU•Press MENU to launch the Onscreen display (OSD) 
menu, back to the previous step for the OSD menu 
operation or exit the OSD menu.
•Confirm your selection of items.
12 KEYSTONE Adjusts the image to compensate for distortion caused by 
tilting the projector.
13 Four 
directional 
select keysUse up, down, left, right buttons to select items or make 
adjustments to your selection.
HIDE
RATIO
SOURCE
MODEMEDIA 
SETUP
ZOOM
FREEZE
3
6
8
10
12
16 14
20
22
244 1
5
7
9
11
13
15
19 17
21
232
18
HIDE MEDIA 
SETUPMODE
SOURCE
ZOOMFREEZE26 25
Model No:E-26171
MC.JG811.009
E-26110
BONTECH ELECTRONICS(K.S) CO ., LTD .No. 2018, Zhonghuayuan west road,
Yushan town,Kunshan city, ChinaLASER MODULE : M-5.2-6.5x10-5.5x5.5
MC.JK211.004
Model No:E-26281 
						

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English
Note: Functions vary depending on model definition.
14 Pre./Rewind No function.
Enter/ Play/ 
PauseNo function.
Back/Stop No function.
Next/Fast 
forwardNo function.
15 KeyPad 0~9 Number buttons.
16 PgUp/PgDn For computer mode only. Use this button to select the next or 
previous page. This function is only available when USB Ctrl 
connector (mini type B) is connected to a computer via a USB 
cable.
17 COMPONENT No function.
18 VIDEO No function.
19 VGA Press VGA to change source to the VGA connector. This 
connector supports analog RGB, YPbPr (480p/576p/720p/
1080i), YCbCr (480i/576i) and RGBsync.
20 S-VIDEO No function.
21 SD/USB A No function.
22 USB B No function.
23 HDMI/DVI To change source to HDMI/MHL. (no DVI function)
24 LAN/WiFi No function.
25Laser pointer Aim the remote at the viewing screen.
26Laser button Aim the remote at the viewing screen, press and hold this 
button to activate the laser pointer.
This function is not supported in Japanese market.
#IconFunctionDescription 
						

							7
EnglishMHL (Mobile High-Definition Link) Control
#IconComponentDescription
1MODE•Press MODE button for one second to activate the 
MHL Control Mode.
•To exit, press the MODE button again.
2 SOURCE Press the SOURCE button to toggle between Navigation, 
Multi-Media or Numeric mode.
3 MENU Press to launch the root memu.
(only for Navigation mode)
4 Four 
directional 
select keysUse up, down, left, right buttons to select items or make 
adjustments to your selection.
(only for Navigation mode)
5Volume Down Decreases the volume. (only for Multi-Media mode)
6Volume UP Increases the volume. (only for Multi-Media mode)
7 Exit To exit the file. (only for Navigation mode)
Stop Discontinues playback. (only for Multi-Media mode)
8 Scans backward during the file playback. (only for Multi-
Media mode)
9 Select/Enter To select the file. (only for Navigation mode)
Play/Pause Toggles between playback and pause. (only for Multi-
Media mode)
10 Scans forward through the file playback. (only for Multi-
Media mode)
11 PgUp/PgDn Use the button to select the next or previous
page. (only for Navigation mode)
HIDE MEDIA 
SETUPMODE
SOURCE
ZOOMFREEZE
1112
91078
4
3
21
56
MHL Control Mode
MHL Control Mode
Next ModeExit MHL ControlNavigation
Next Mode
Exit MHL Control
Numeric
MHL Control Mode
Next Mode
Exit MHL Control
Multi-Media
MODE
SOURCE 
						

							8
English
Note: Functions vary depending on model definition.
12 KeyPad 0~9 Number buttons. (only for Numeric mode)
#IconComponentDescription 
						

							9
EnglishGetting Started
Connecting the Projector
Note: To ensure the projector works well with your computer, 
please make sure the timing of the display mode is compatible 
with the projector.
Note: USB cable needs powered extender if the length is over 5 m.
#Description#Description
1 AC to DC power adapter 5 VGA cable
2 Power cord 6 HDMI cable
3 USB cable for charging device 7 MHL Cable (MicroUSB to HDMI)
4 Audio cable Jack/Jack 8 Audio cable Jack/RCA
DC 5V OUTVGA IN
RW
8
D-Sub
D-Sub
5
HDMI
7
USBMHL
HDMI
HDMI
6
1
2
4
iPod/iPhone/iPad
USB
3
DVD player iPod/iPhone/iPad battery charging
 
 
  
						

							10
English
Turning the Projector On/Off
Turning on the Projector
1 Ensure that the power cord and signal cable are securely connected. The 
Power indicator LED will flash red.
2 Turn on the projector by pressing Power button on the control panel or 
the remote control, and the Power indicator LED will turn blue.(Illustration 
#1)
3 Turn on your source (computer, notebook, video player ,etc.). The 
projector will detect your source automatically.
• If the screen displays No Signal, please make sure the signal cables 
are securely connected.
• If you connect to multiple sources at the same time, use the Source 
button on either control panel or the remote control or direct source 
key on the remote control to switch between inputs.
1
Power button