Hall Research Technologies SC-PRE-9A User manual

SC-PRE-9A
9x2 Presentation Scaler Switch
User Guide
UMA1193 Rev. A
Hall Research
1163 Warner Ave.
Tustin, CA 92780
www.hallresearch.com
800-959-6439
714-641-6607
[e-mail]
CUSTOMER
SUPPORT
INFORMATION
UMA1193 Rev. A

SC-PRE-9A
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TRADEMARKS USED IN THIS MANUAL
Hall Research and the Hall Research Logo ( ) are trademarks of Hall Research.
HDMI™ is a registered trademark of HDMI Licensing LLC. Any other trademarks
mentioned in this manual are acknowledged to be the property of the trademark owners.
FEDERAL COMMUNICATIONS COMMISSION
RADIO FREQUENCY INTERFERENCE STATEMENT
This equipment generates, uses, and can radiate radio frequency energy. If not installed
and used properly—that is, in strict accordance with the manufacturer’s instructions—it
may cause interference to radio communication. It has been designed to comply with the
limits for a Class A computing device in accordance with the specifications in Subpart B of
Part 15 of FCC rules, which are designed to provide reasonable protection against such
interference when the equipment is operated in a commercial environment. Operation of
this equipment in a residential area is likely to cause interference, in which case the user
will be required to take whatever measures may be necessary to correct the interference
at his/her own expense.
Changes or modifications not expressly approved by the party responsible for compliance
could void the user’s authority to operate the equipment.
This digital apparatus does not exceed the Class A limits for radio noise emission from
digital apparatus set out in the Radio Interference Regulation of the Canadian Department
of Communications.

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Contents
1. Introduction............................................................................ 3
1.1 Features ....................................................................................................4
1.2 Front Panel................................................................................................5
1.3 Rear Panel.................................................................................................6
1.4 System Diagram ........................................................................................6
2. RS232 Control ......................................................................... 7
2.1 Communication Settings...........................................................................7
2.2 Command List ...........................................................................................7
3. Specifications........................................................................ 11
3.1 Video.......................................................................................................11
3.2 Audio.......................................................................................................12
3.3 PIP/PBP Compatibility.............................................................................12
3.4General ...................................................................................................13
4. Troubleshooting.................................................................... 14
Hall Research Inc.
Home of the Mini-Cat®

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1. Introduction
The SC-PRE-9A is a multi-format video presentation scaler switch
with audio. It features 9 inputs of various video formats including
HDMI, VGA, Component, Composite, and S-Video with HDMI and
VGA outputs. Video can be scaled to various aspect ratios and
resolutions from 800x600 up to 1920x1200 @ 60Hz.
The SC-PRE-9A has advanced video features such as Picture-In-
Picture (windowing), Picture-beside-Picture (2 inputs shown side
by side), screen blanking, freeze frame, and picture controls. It
includes an IR remote for common functions as well as an On-
Screen Display menu for advanced configuration. It also features
an extensive list of RS232 commands for integration with 3rd party
control systems.

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1.1 Features
9 switchable inputs: 2x HDMI (DVI compatible), 2x VGA, 2x
YPbPr, 2x Composite, 1x S-Video
2 simultaneous outputs (1x HDMI, 1x VGA) †
Scaling from 640x480 to 1920x1200 @ 60Hz
HDTV formats up to 1080P
HDCP 1.2 compliant
Controllable via front panel, IR remote or RS232
Picture-In-Picture (PIP) and Picture-Beside-Picture (PBP)
with window positioning and transparency
Freeze frame & Screen Blanking
Picture settings for brightness, contrast, hue, color, and
sharpness
Audio settings for bass, treble and balance
Preset sound modes available
OSD menu for advanced configuration with multi-language
support
Microphone input with independent audio control
Supports NTSC 3.58, NTSC 4.42, PAL, and SECAM video
formats
Internal 100/240V power supply
1 RU rack mountable aluminum enclosure
† VGA output may not be available for HDMI inputs for HDCP Compliance

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1.2 Front Panel
1. Source Selection. Selects among the 9 available source inputs.
2. Primary/PIP Source Selectors. These buttons set source selection
for Primary or PIP Source. If Primary Source is active then the
source selection buttons will switch the primary display. If PIP
source is active then the source selection buttons will change the
PIP source.
3. PIP/PBP Toggle. Toggles between Picture-In-Picture and Picture-
Beside-Picture modes.
4. PIP SWAP. Swaps the primary and PIP sources.
5. Resolution Select. Toggles through the available resolutions for
scaling the output.
6. Master Volume Controls. Independent volume and mute controls
for the active input source.
7. Mic Volume Controls. Independent volume and mute controls for
the microphone input.
5
6
7
3
1
2
4
5
6
7

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1.3 Rear Panel
1. Chassis Ground
2. Audio Output
3. VGA and HDMI Video Output
4. HDMI Video inputs
5. VGA Video and audio inputs
6. S-Video and audio inputs
7. Component/Composite Video and audio inputs
8. Mic input
9. HDMI stereo audio inputs
10. RS232
11. AC Power
1.4 System Diagram
8
10
11
9
2
3
4
5
6
7
1
8
9
10
11

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2. RS232 Control
The SC-PRE-9A features an extensive RS232 protocol for integration with
3rd party control systems.
2.1 Communication Settings
Baud Rate
9600
Data bits
8
Stop bits
1
Parity
None
2.2 Command List
Note that all commands are followed by a carriage return (CR)
Command
Description
1000
Query current source selection
1001
Query resolution setting
1002
Query line volume level
1003
Query mic volume level
1004
Query audio mute status
1005
Query PIP status
1006
Query PIP position
1007
Query PIP alpha level
1008
Query PIP window size
1009
Query status of freeze frame
1010
Enable Freeze frame
1011
Disable Freeze frame
1012
Reset to factory defaults
1013
Query bass level
1014
Query treble level
1015
Query balance setting
1016
Query PBP status
1017
Query current sound mode
1018
Query front panel lock status
1019
Query screen saver color
1020
Query video source OSD status

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Command
Description
1021
Query audio volume and mute OSD status
1022
Query video blank status
1023
Query audio channel lock status
1024
Query current PIP/PBP Window selection
1025
Query phase setting
1026
Query brightness level
1027
Query contrast level
1028
Query saturation level
1029
Query sharpness level
1030
Query Red Color Temp level
1031
Query Green Color Temp level
1032
Query Blue Color Temp level
1033
Query aspect ratio
01XX
Line Volume setting. [XX] ranging from 00-60
02XX
MIC Volume setting. [XX] ranging from 00-60
03XX
Brightness setting. [XX]ranging from 00-99
04XX
Contrast setting. [XX] ranging from 00-99
05XX
Color setting. [XX] ranging from 00-99
0600
MUTE Line and MIC
0601
Output frame auto-adjustment. Horizontal/Vertical auto-adjust
0602
Volume +
0603
Volume -
0608
Change aspect ratio: 16:9, 16:10, 4:3
0609
Menu ENTER
0609
Menu Left
0610
Menu Right
0611
Menu Up
0612
Menu Down
0624
PIP,PBP selection
0625
P.P picture mode
0626
SM sound mode
0627
PIP/PBP Swap
0628
NICAM sound mode
0630
MIC Vol +
0631
MIC Vol -
0700
Query Video Source, Resolution, Line Audio level, Mic audio level and
Master Mute

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Command
Description
0701
HDMI 1 Input Selection
0702
HDMI 2 Input Selection
0703
VGA 1 Input Selection
0704
VGA 2 Input Selection
0705
Component 1 Input Selection
0706
Component 2 Input Selection
0707
S-Video Input Selection
0708
Video 1 Input Selection
0709
Video 2 Input Selection
0711
800X600 SVGA
0712
1024X768 XGA
0713
1280X1024 SXGA
0714
1280X800 WXGA
0715
1280X720 720P
0716
1920X1200 UXGA
0717
1920X1080 1080P
0718
1920X1200 WUXGA
0720
Query brightness, contrast, color hue, saturation, phase and sharpness
settings
0721
Screen Saver Color: Black
0722
Screen Saver Color: Blue
0723
Disable on screen display status of video source
0724
Enable on screen display status of video source
0725
Disable on screen display status of master and Mic volume level and
mute
0726
Enable on screen display status of master and Mic volume level and
mute
0728
Menu On / Off
0729
Menu Enter
0730
PIP / PBP Off
0731
PIP On
0732
PBP On
0733
PIP/PBP Window HDMI 1 Input Selection
0734
PIP/PBP Window HDMI 2 Input Selection
0735
PIP/PBP Window VGA 1 Input Selection
0736
PIP/PBP Window VGA 2 Input Selection
0737
PIP/PBP Window Component 1 Input Selection
0738
PIP/PBP Window Component 2 Input Selection

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Command
Description
0739
PIP/PBP Window Video 1 Input Selection
0740
PIP/PBP Window Video 2 Input Selection
0741
PIP/PBP Window S-Video Input Selection
0745
Video blank
0746
Unblank Video
0747
Lock audio channel. This audio channel won’t follow the video
switching
0748
Unlock audio channel
08XX
Phase setting. [XX] ranging from 00-99
09XX
Sharpness setting. [XX] ranging from 00-15
11XX
Set PIP alpha level. [XX] ranging from 0-99
12XX
Set bass level. [XX] ranging from 0-99
13XX
Set treble level. [XX] ranging from 0-99
14XX
Set audio balance level. [XX] ranging from 0-99
15XX
Set Red Color Temp level. [XX] ranging from 0-99
16XX
Set Green Color Temp level. [XX] ranging from 0-99
17XX
Set Blue Color Temp level. [XX] ranging from 0-99
18XX
Set PIP horizontal position
19XX
Set PIP vertical position
20XX
Set PIP window size. [XX] ranging from 0-99
21XX
Set aspect ratio to XX(00-09)
00 FILL ALL
01 ASPECT RATIO
02 ONE TO ONE
03 NORMAL
04 WIDE
05 ZOOM
06 ANAMORPHIC
07 SUBTITLE
08 NEOII WIDE
09 AUTO
LOCK
Lock the buttons of the front panel. Resend for unlock

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3. Specifications
3.1 Video
Input
2x Digital (HDMI)
2x VGA (HD15)
2x Component (3RCA)
2x Composite (RCA)
1x S-Video (4 pin mini DIN)
Output
1x Digital (HDMI)
1x VGA (HD15)
Supported
Video Signals
HDMI 1.2
NTSC 3.58, NTSC 4.42
PAL
RGBHV, RGBs, RGsB,
RsGsBs
SECAM
YPbPr
Resolutions
SVGA 800x600
XGA 1024x768
720P 1280x720
WXGA 1280x800
SXGA 1280x1024
UXGA 1600x1200
1080P 1920x1080
WUXGA 1920x1200
Bandwidth
HDMI: 4.95 GBps
VGA: 375 MHz
Composite: 150 MHz
S-Video: 150 MHz
Max
Pixel Clock
165 MHz
Switching
Latency
200ns (Min)
Switching
Type
Vertical interval
VGA
Cross Talk
-50 dB @ 5 MHz
Video
Impedance
75 Ω
Gain
0 dB
Input/Output
Voltage
0.5 V~2.0 Vp-p

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3.2 Audio
Input
2x L/R RCA
(Component/Composite)
1x L/R RCA (S-Video)
2x 3.5mm (HDMI)
2x 3.5mm (VGA)
1x ¼” Mono (Mic)
Output
1x L/R RCA
Input
Impedance
> 10 Ω
Output
Impedance
50 Ω
Stereo
Separation
> 80 dB @ 1 KHz
CMRR
>90 dB @ 20 to
20,000 Hz
Frequency
Response
20 –20,000 Hz
3.3 PIP/PBP Compatibility
Not any two inputs can be simultaneously displayed in PIP or PBP modes.
For example you cannot have two VGA inputs simultaneously displayed.
This is due to A/D converters that is shared between them. The following
table indicates which signals are compatible for PIP/PBP windowing. Pick
the background image along the left column, then the checkmarks tell you
which other inputs can be windowed with it.
HDMI 1
HDMI 2
VGA 1
VGA 2
YPbPr 1
YPbPr 2
Video 1
Video 2
S-Video
HDMI 1
HDMI 2
VGA 1
VGA 2
YPbPr 1
YPbPr 2
Video 1
Video 2
S-Video

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3.4 General
Temperature
-20 to 70° C
Humidity
10% –90%
Storage
Temperature
-10 to 60° C
Operating
Temperature
0 to 40° C
Power
100VAC –240VAC @ 50/60
Hz
Current
25W
Dimensions
483mm (W) x 235mm (L) x
44mm (H)
Weight
3.3 lbs

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4. Troubleshooting
Problem
Solution or Possible Cause
Screen is blank
Verify the screen output is not set to blank.
Verify your source is emitting a proper signal.
Verify cable connections.
Try other output resoltions
Remember due to HDCP compliance VGA output
will be blanked for HDMI inputs
Outside edges of the image
are cut off (image cropping)
particularly when a PC input
is shown on HDMI display at
HDTV resolution.
Some displays intentionally crop HDTV inputs
(720p or 1080p resolutions particularly) slightly.
This may be a problem if you are trying to display
a PC and need to see all the way to the edges.
If this happens, try setting the output resolution
to something other than 720p or 1080p.
If you still get a bad image or no image at all, it
means that your display does not support PC
resolutions on its HDMI input. In that case look
for a DVI input on your display. By definition they
ought to support the gamut of PC resolutions on
their DVI input.
If you still can’t get a proper image, please
understand that this is an anomaly of your
display and you may need to try a different
display that can handle PC input resolutions
properly without cropping.
Static or other video
interference
Make sure unit is properly grounded. Use the
grounding connector on the rear panel of the
chassis.

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Front panel buttons not
working
Make sure the front panel controls are not
locked. Refer to the RS232 command list to
Lock/unlock the front panel.
Serial control not working
Verify the correct com port settings. Refer to the
RS232 section of this guide.
Video colors not correct
Check the color settings of the device. Reset back
to the factory defaults to eliminate any
misconfiguration of the picture settings.

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© Copyright 2011 Hall Research, Inc.
All rights reserved.