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...

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...

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...

6
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...

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...

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...

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...