safety & notice
package contents
supported resoLutions
dip switch
Follow all instructions and warnings marked on this unit.
Do not attempt to service this unit yourself, except where explained in this
manual.
Provide proper ventilation and air circulation. Do not use near water.
Keep away from objects that might damage the device.
Assure that the placement of this unit is on a stable surface.
Use only the power adapter, power cords and connection cables
designed for this unit.
Do not use liquid or aerosol cleaners to clean this unit. Always unplug the
power to the device before cleaning.
tabLe of contents
introduction
features
package contents
supported resoLutions
dip switch
specifications
paneL descriptions
edid Learning
warranty
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edid Learning
specifications
Marshall warrants the VAC-12HS HDMI to 3G/HD/SD-SDI Converter to be
free from defects in the material and workmanship for 1 year from the date of
purchase from an authorized Marshall dealer. Should this product fail to be in
good working order within 1 year warranty period, Marshall will, at its option,
repair or replace the unit, provided that the unit has not been subjected to
accident, disaster, abuse or any unauthorized modifications including static
discharge and power surges.
Unit that fails under conditions other than those specified above will be repaired
at the current price of parts and labor in effect at the time of repair. Such repairs
are warranted for 90 days from the day of reshipment to the BUYER. If the
unit is delivered by mail, customers agree to insure the unit or assume the risk
of loss or damage in transit. Under no circumstances will a unit be accepted
without a return authorization number.
The warranty is in lieu of all other warranties expressed or implied, including
without limitations, any other implied warranty or fitness or merchantability for
any particular purpose, all of which are expressly disclaimed.
Proof of sale may be required in order to claim warranty. Cables are limited to
a 30 day warranty and cable must be free from any markings or scratches.
The content of this manual has been carefully checked and is believed to be
accurate. However, Marshall assumes no responsibility for any inaccuracies that
may be contained in this manual. Marshall will NOT be liable for direct, indirect,
incidental, special, or consequential damages resulting from any defect or
omission in this manual, even if advised of the possibility of such damages.
Also, the technical information contained herein regarding the VAC-12SH
features and specifications is subject to change without further notice.
1. Please make sure both Pin#1 and Pin#2 of DIP switch are “On.”
2. Connect the HDMI display cable to the HDMI port of the signal source.
3. Power on the signal source.
4. When the green LED turns on, the EDID learning procedure is completed.
5. Please DO NOT change the DIP switch. Otherwise the built-in EDID Learning
information will be lost.
Limited warranty
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• VAC-12HS Converter
• 5V/2A power adapter
• User Manual
3g-sdi output
hd-sdi output
sd-sdi output
1080p @ 50/ 59.94 / 60Hz
SMPTE 424M, SMPTE 425M
720p @ 50Hz
SMPTE 296M -3
720p @ 60 / 59.94Hz
SMPTE 296M -1, -2
1080i @ 50Hz
SMPTE 274M -6
1080i @ 60 / 59.94Hz
SMPTE 274M -4, -5
1080p @ 24 / 23.98Hz
SMPTE 274M -10, -11
1080p @ 25Hz
SMPTE 274M -9
1080p @ 30 / 29.97Hz
SMPTE 274M -7, -8
NTSC
PAL B,D,G,H,I
A 2-pin DIP switch is used for user interface.
Users can access this switch from the bottom of the unit.
pin #1 pin #2
edid feature
OFF
OFF
3G/HD/SD-SDI with multi-channel audio except DTS-HD
& Dolby True HD
OFF
ON
3G/HD/SD-SDI with Stereo PCM Audio
ON
OFF
HD/SD-SDI with Stereo PCM Audio
ON
ON
EDID Learning Mode
technicaL
Mechanical
SDI standards
3G-SDI & HD-SDI & SD-SDI
Auto 3G/HD/SD-SDI detection
Yes
SDI Data Rate
[2.97Gpbs & 2.975/1.001Gbps]
Video support
[3G] - 1080p50/59.94/60 (4:2:2)
[HD] - 720p @50/59.94/60Hz,1080i
@50/59.94/60Hz, [email protected]/24/25/29.97/30Hz
[SD] - NTSC @59.94Hz, PAL @50Hz
Input signal
HDMI
Output signal
SDI
Output impedance
75 ohms
Eye pattern characteristics
Extra low alignment jitter 0.05UI at HD
Cable equalization
[3G-SDI] up to 90m (300ft)
[HD-SDI] up to 150m (500ft)
[SD-SDI] up to 300m (1000ft)
Audio support
Yes
Input
1x HDMI
Output
2x BNC [SDI]
BNC connector
75 ohm inter-locked socket
HDMI connector
Type A [19-pin female]
DIP switch
2-pin [for EDID use]
Housing
Metal enclosure
Dimensions [L x W x H]
79 x 84 x 27mm [3.1” x 3.3” x 1.2”]
Weight
Model
[TX] – 250g [8.8oz]
Package
780g [1.7 lbs]
Power supply
5V 2A DC with Locking Power Connector
Power consumption
3 Watts [max]
Operation temperature
0~40°C [32~104°F]
Storage temperature
-20~60°C [-4~140°F]
Relative humidity
20~90% RH [no condensation]
