Scaltek STK-81H-SCA User manual

UMEN-STK81HSCA-071013-V1.0
STK-81H-SCA
PROFESSIONAL PRESENTATION SCALER
USER MANUAL

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SUMMARY
1. INTRODUCTION............................................................................................................................. 3
2. APPLICATIONS .............................................................................................................................. 3
3. PACKAGES CONTENT .................................................................................................................. 3
4. MAIN FEATURES ........................................................................................................................... 3
5. OPERATION CONTROLS AND FUNCTIONS................................................................................ 4
a. Front Panel.................................................................................................................................. 4
b. Rear Panel................................................................................................................................... 4
c. Infrared Remote........................................................................................................................... 5
d. RS-232 Protocol .......................................................................................................................... 6
e. RS-232 and Telnet Commands................................................................................................... 7
f. OSD Menu................................................................................................................................. 10
g. Input resolution support............................................................................................................. 14
h. Output resolution support .......................................................................................................... 15
6. APPLICATION DRAWING ............................................................................................................ 16
7. WARRANTY AND CONTACTS..................................................................................................... 17

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1. INTRODUCTION
STK-81H-SCA is a high definition professional scaler/switcher for presentation rooms. It enables to
select various type of video format (HDMI, VGA, CVBS, YUV) to display them on a full HD 1080P
video projector or Screen. STK-81H-SCA is powerful and easy to use and set-up. It can be controlled
by front panel, provide IR remote control or by control systems through RS-232 or IP connections.
2. APPLICATIONS
Audio and Video management for presentations environments:
Conference rooms
Meeting rooms
Congress Hall
Crisis room
3. PACKAGES CONTENT
STK-81H-SCA
IR remote control
IR extender cable
D-Sub to RCA adaptor cable
Ears for rackmount
Power cord
User manual
4. MAIN FEATURES
Support 8 video inputs whose 3x HDMI and 3x VGA
3 twin outputs: 2x HDMi and 1x VGA
HDMI output HDCP and 1080P compliant
Audio associated for each analog inputs
Control by RS-232, IP and infrared

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5. OPERATION CONTROLS AND FUNCTIONS
a. Front Panel
1- POWER Button and LED: Press this button to switch the device on or to set it to standby mode.
Once the device is connected to an active power supply and the Power Switch on the back panel is
turned on, the LED will illuminate and the device will switch on automatically.
2- IR Receiver Window: Receives only the IR signal from the remote control included in the package.
3- INPUT Buttons and LEDs: Press these buttons to switch directly to the required source. An LED will
illuminate to indicate the selected input source.
4- MENU: Press this button to enter the On-screen Display (OSD) menu.
5- Plus/Minus (−/+) Buttons: Press these buttons to navigate down and up in the OSD menu
6- ENTER: Press this button to confirm the selection in the OSD menu.
Note: Press this button simultaneously with the '+' (plus) button to instantly switch the output to XGA
resolution or with the '−' (minus) button to instantly switch the output to 720p resolution.
b. Rear Panel
1- IR IN: Connect the supplied IR extender to receive the IR signal from the included IR remote.
Ensure that the remote is within the direct line-of-sight of the IR extender
2- SERVICE: Reserved for manufacturer use only.
3- RS-232: Connect to a PC/Laptop or RS-232 control system to use RS-232 commands to control the
device (See Section 6.5 for details on RS-232 commands).
4- OUTPUTS
a) HDMI 1/2: Connect to an HDMI display or AV Receiver for video and/or audio output.
b) PC/HD: Connect to a monitor/display for video output. For HD (Component) output, use the
supplied D-Sub 9pin to 3 RCA adaptor cable for HD resolutions from 480p~1080p.Note: When the
selected HDMI input source signal has HDCP content the VGA/Component output will not display any
image.

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c) COAX: Connect to an amplifier or active speakers for audio output in digital format. Note: When the
input audio source signal is in bit-stream format and the AUDIO SOURCE setting is set to AUTO in the
OSD menu, the coaxial output will bypass the input audio signal including compatible surround sound
formats.
d) AUDIO: Connect to an amplifier or active speakers for audio output in stereo format.
5- INPUTS:
a) HDMI 1/2/3: Connect to HDMI sources such as Blu-ray/DVD player for both video and audio signal
conversion.
b) PC 1/2/3: Connect to a PC/Laptop source for video signal input with a D-Sub 15pin cable.
c) 3.5mm Mini-jacks: Connect to source's L/R output with 3.5mm mini-jack for audio signal conversion.
Note: For HDMI signals you can select in the OSD Menu whether you require audio from the HDMI
(AUTO) or from the analog audio inputs (EXT)
d) YCbCr/YPbPr + L/R: Connect to source equipment such as a DVD player for both video and audio
signal conversion.
e) CV + L/R: Connect to a composite video source such as a video/DVD player for both video and
audio signal conversion.
6- CONTROL: This port is the link for Telnet or Web GUI controls, connect to an active Ethernet link
with an RJ45 terminated cable
7- POWER: Switch this power toggle to turn on and activate the device or turn off to shut it down.
8- DC 5V: Connect the power adaptor included in the package to the device and plug it into an AC wall
outlet for power supply.
c. Infrared Remote
1- POWER: Press this button to switch the device on or to set it to
standby mode
2- HDMI1/2/3, PC1/2/3, CV and COMP: Direct source selection keys.
Press one of these keys to switch to the required source.
3- MENU: Press this button to enter the OSD menu.
4- EXIT: Press this button to exit the menu or the current selection in
the OSD menu.
5- OK & ▲▼◄►: Press OK to confirm the selection or press the
arrow buttons to navigate the OSD menu. When the OSD menu is not
active, use the LEFT/RIGHT (◄►) to control the volume level.
6- AUTO ADJUST: Press this button when the image being outputted
does not correctly fit the display's screen. The device will auto adjust
the image to fill the screen.
RESET: Press this button to reset the device back to the default
settings.

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d. RS-232 Protocol
Scaler STK-81H-SCA
Remote COntrol
PIN
Assignment
PIN
Assignment
1
NC
1
NC
2
Tx
2
Rx
3
Rx
3
Tx
4
NC
4
NC
5
GND
5
GND
6
NC
6
NC
7
NC
7
NC
8
NC
8
NC
9
NC
9
NC
Baud Rate: 19 200bps
Data bit: 8 bits
Parity: None
Flow Control: None
Stop Bit: 1

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e. RS-232 and Telnet Commands
COMMAND
DESCRIPTION
S POWER 0/1
0=OFF
1=ON
R POWER
Reports the numeric equivalent for POWER setting (as above)
S SOURCE 1~8
1=HDMI 1
2=HDMI 2
3=HDMI 3
4=YPbPr
5=VIDEO
6=PC 1
7=PC 2
8=PC 3
R SOURCE
Reports the numerical equivalent for SOURCE setting (as above)
S OUTPUT 0~21*1
0=640×480
1=800×600
2=1024×768
3=1280×768
4=1360×768
5=1280×720
6=1280×800
7=1280×1024
8=1440×900
9=1400×1050
10=1680×1050
11=1600×1200
12=920×1080
13=1920×1200
14=480p
15=720p6@0
16=1080i@60
17=1080p@60
18=576p
19=720p@50
20=1080i@50
21=1080p@50
R OUTPUT
Reports the numerical equivalent for OUTPUT setting (as above)
S SIZE 0~6
0=OVERSCAN
1=FULL
2=FOLLOW
INPUT
3=PAN SCAN
4=LETTER BOX
5=UNDER 2
6=UNDER 1
R SIZE
Reports the numerical equivalent for SIZE setting (as above)
S INPUT HDCP 0/1
0=ON
1=OFF
R INPUT HDCP
Apple Computers Only. Reports the numerical equivalent for INPUT
HDCP setting (as above)
S CONTRAST 0~60
Sets the numerical equivalent for CONTRAST setting (0~60)
R CONTRAST
Reports the numerical equivalent for CONTRAST setting
S BRIGHTNESS 0~60
Sets the numerical equivalent for the BRIGHTNESS setting (0~60)
R BRIGHTNESS
Reports the numerical equivalent for the BRIGHTNESS setting

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S HUE 0~60
Sets the numerical equivalent for the HUE setting (0~60)
R HUE
Reports the numerical equivalent for the HUE setting
S SATURATION 0~60
Sets the numerical equivalent for the SATURATION setting (0~60)
R SATURATION
Reports the numerical equivalent for the SATURATION setting
S SHARPNESS 0~30
Sets the numerical equivalent for the SHARPNESS setting (0~60)
R SHARPNESS
Reports the numerical equivalent for SHARPNESS setting
S NR 0~3
0=OFF
1=LOW
2=MIDDLE
3=HIGH
R NR
Reports the numerical equivalent for the NOISE REDUCTION setting (as
above)
S VOLUME 0~100
Sets the numerical equivalent for VOLUME setting (0~100)
R VOLUME
Reports the numerical equivalent for VOLUME setting
S AUDIO DELAY 0~3
0=OFF
1=40ms
2=110ms
3=150ms
R AUDIO DELAY
Reports the numeric equivalent for the AUDIO DELAY setting (as above)
S AUDIO MUTE 0/1
0=ON
1=MUTE
R AUDIO MUTE
Reports the numeric equivalent for the AUDIO MUTE setting (as above)
S HDMI AUDIO 0/1
0=AUTO
1=EXT
R HDMI AUDIO
Reports the numeric equivalent for HDMI AUDIO setting (as above)
S KEY LOCK 0/1
0=ENABLE
1=DISABLE
R KEY LOCK
Reports the numeric equivalent for KEY LOCK setting (as above)
S FREERUNCOLOR
0/1
0=BLACK
1=BLUE
R FREERUNCOLOR
Reports the numerical equivalent for the free run color setting (as above)
S RESET 1
Sets the numerical equivalent for RESET setting (as left)
PORT 0~8
0=LAST MEMORY
1=HDMI 1
2=HDMI 2
3=HDMI 3
4=YPbPr
5=VIDEO
6=PC 1
7=PC 2
8=PC 3

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ST
Checks the FIRMWARE version and SOURCE information:
0.00~x.xx
SOURCE: HDMI ~ PC3
PORT ON: LAST ~ PC3
VOL +
Raises the volume level (VOLUME * IS SET)
VOL -
Lowers the volume level (VOLUME * IS SET)
QUIT
Exit. (Telnet Only)
Note:
Resolution settings 0~13 are RGB encoded. Resolution settings 14~21 are YUV encoded.
RS-232 commands will be not executed unless followed with a carriage return (CR) command and for
some systems a Line feed (LF) command. Commands are case-insensitive.

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f. OSD Menu
MAIN MENU
SUB MENU
3RD MENU
4TH MENU
DISPLAY
OUTPUT
640×480 60
800×600 60
1024×768 60
1280×768 60
1360×768 60
1280×720 60
1280×800 60
1280×1024 60
1440×900 60
1400×1050 60
1680×1050 60
1600×1200 60
1920×1080 60
1920×1200 60
1280×720P 60*
1920×1080I 60
1920×1080P 60
720×576P 50
1280×720P 50
1920×1080I 50
1920×1080P 50

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MAIN MENU
SUB MENU
3RD MENU
4TH MENU
DISPLAY
SIZE
OVER SCAN
FULL*
FOLLOW INPUT
PAN SCAN
LETTER BOX
UNDER 2
UNDER 1
MODE INFO
OFF
INFO*
ON
INPUT HDCP
(HDMI mode only)
OFF
ON*
PC
(PC mode only)
AUTO SETUP
H_POSITION
V_POSITION
PHASE
CLOCK
WXGA/XGA
XGA*
WXGA
RESET

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MAIN MENU
SUB MENU
3RD MENU
4TH MENU
COLOR
CONTRAST
0~60 (30)
BRIGHTNESS
0~60 (30)
COLOR
R 0~1023 (512)
G 0~1023 (512)
B 0~1023 (512)
R OFFSET 0~1023 (512)
G OFFSET 0~1023
(512)
B OFFSET 0~1023 (512)
HUE
0~60 (30)
SATURATION
0~60 (30)
SHARPNESS
0~30 (0)
NR.
OFF*
LOW
MIDDLE
HIGH
AUDIO
VOLUME
0~100 (100)
DELAY
OFF*
40ms
110ms
150ms
SOUND
ON*
MUTE
SOURCE
(HDMI mode only)*1
AUTO*
EXT.

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MAIN MENU
SUB MENU
3RD MENU
4TH MENU
SETUP
FACTORY
RESET*2
KEY LOCK
OFF*
ON
POWER SAVE
OFF*
ON
IP MODE
DHCP*
STATIC
SET STATIC IP
IP ADDRESS
0.0.0.0.~
255.255.255.255*3
SUBNET MASK
0.0.0.0.~
255.255.255.255*4
DEF.GETWAY
0.0.0.0.~
255.255.255.255*5
FREERUN
COLOR
BLACK
BLUE*
INFORMATION
INPUT
OUTPUT
REVISION
IP ADDRESS
Note:
When AUDIO SOURCE sets to 'AUTO', if the selected HDMI input port is connected to an HDMI
source, audio signal of the source will be used for output; if the selected HDMI input port is connected
to a DVI source, audio signal from the 3.5mm phone-jack on top of the selected HDMI input port will
be used. When AUDIO SOURCE sets to 'EXT',only the audio signal from the 3.5mm phone-jack on
top of the selected HDMI input port will be used for output.
The FACTORY RESET option in the OSD menu will only reset part of settings. For a complete reset of
the system, please use the reset button on the remote control.
192.168.0.1 (Default setting).
255.255.255.0 (Default setting).
192.168.0.254 (Default setting).
Items in BOLD with an asterisk (*) are the Factory default settings. Items in brackets are the default
values for those settings.

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g. Input resolution support
CV
Component
PC
HDMI
NTSC/PAL

-
-
-
480i/576i
-

-

480p/576p
-

-

720p@50/60 Hz
-

-

1080i@50/60 Hz
-

-

1080p@50/60 Hz
-

-

VGA@60/72/75 Hz
-
-


SVGA@56/60/72/75 Hz
-
-


XGA@60/70/75 Hz
-
-


SXGA@60/75 Hz
-
-


UXGA@60 Hz
-
-


1280×800@60 Hz
-
-


1680×1050RB@60 Hz
-
-


1920×1080@60 Hz
-
-


1920×1200@60 Hz (RB)
-
-



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h. Output resolution support
PC
HDMI
480p/576p
HD

720p@50/60 Hz
HD

1080i@50/60 Hz
HD

1080p@50/60 Hz
HD

VGA@60 Hz


SVGA@60 Hz


XGA@60 Hz


SXGA@60 Hz


UXGA@60 Hz


1280×768@60 Hz


1280×800@60 Hz


1360×768@60 Hz


1400×1050@60 Hz


1440×900@60 Hz


1680×1050@60 Hz


1920×1200@60 Hz
(RB)



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6. APPLICATION DRAWING

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7. WARRANTY AND CONTACTS
The warranty of this product is 2 years Parts and Labor from the date of purchase. If the fault in the
product is due to improper use of the product or operations carried out by third parties, the warranty is
lost. If the product frame is open, the warranty is lost.
During the warranty period, the unit will be repaired free of charge. Return shipping are the
responsibility of the customer. Return shipping have to be made through your local distributor/dealer.
For any question during the installation, contact our after sales service on the following address:
[e-mail]