SY Electronics MFT-31C User manual

SY Electronics Ltd., 7 Worrall Street, Salford, Greater Manchester, M5 4TH
Tel: [phone] – Fax: [phone]
Web: sy.uk
User Manual
MFT-31C
and
MFT-31V
Multi-Format Wall-plate Transmitters
3 Inputs to 1 HDBaseT Output
2 x HDMI + USB-C to HDBaseT
or
2 x HDMI + VGA to HDBaseT

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These wall mounting Multi-Format HDBaseT Transmitters are ideal for classroom and meeting
room environments where a quick and simple connection from a laptop, mobile or any other
devices is required.
Both versions have three video inputs - two HDMI inputs and one other video input as either
USB-C or VGA, with a single HDBaseT output.
Features
2x HDMI inputs
1x USB-C video input or 1x VGA input (with Audio)
1x HDBaseT output (70m @ 1080p, 40m @ 4K30)
RS232 control (Tx, Rx)
RS232 data pass through
IR Eye data pass through
Built in IR Eye (IR receiver)
MFT-31C supports IR learning for Display On/Off control
Display On/Off control via RS232 and CEC
LED indication for selected input
LED indication for Link status to HDBaseT receiver
Auto / Manual selection
Panel Descriptions
Front
Figure 1 - SY-MFT-31C
Figure 2 - SY-MFT-31CE
Figure 3 - SY-MFT-31V
Figure 4 - SY-MFT-31VE

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Name
Description
IR
Built-in IR Sensor for IR data to remote receiver
HDMI1 & HDMI2
HDMI input ports, connect to HDMI sources
USB-C
USB Type C input connector - MFT-31C / MFT-31CE only
VGA
VGA input connector - MFT-31V / MFT-31VE only
AUDIO IN
Stereo audio input for the VGA input - MFT-31V / MFT-31VE only
DISPLAY ON/OFF
Turns the display ON or OFF via CEC or RS232 (after programming)
SOURCE / AUTO
Manual Input source selection or auto input detection mode
LINK LED
Indicates a successful data link with the HDBaseT receiver
U-C LED
USB-C input is selected - MFT-31C / MFT-31CE
V LED
VGA input is selected - MFT-31V / MFT-31VE
H1 LED
HDMI 1 input is selected
H2 LED
HDMI 2 input is selected
Rear
Figure 5 - MTF-31 Rear Panel
Name
Description
RS232
RS232 port for configuration and communication via remote
receiver
DC IN
24V DC power supply input (orange)
IR IN
External IR Eye input connection
HDBT OUT (PoC)
HDBaseT output to the receiver with Power-over-Cable in either
direction (side entry)

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System Connection
System Diagram
Connection Procedures
1. Connect the HDMI sources to the HDMI 1 and HDMI 2 inputs.
2. For the SY-MFT-31C, any device that has a Type C USB connector may be connected to
the USB-C input.
3. For the SY-MFT-31V, any device that has a VGA connector may be connected to the
VGA input, together with associated Audio.
4. Connect the HDBaseT output to a HDBaseT receiver, using cat6 cable.

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5. Connect the 24V DC PSU to the MFT-31 or it can be powered from the appropriate
HDBaseT receiver (with PoC).
6. If required, an RS232 controller may be connected to the rear of the MFT-31 to control
the MFT-31 as well as for control of the remote display device.
7. If required, an IR Eye may be connected to the rear of the MFT-31 to control the remote
display device.
Controlling the MFT-31
The MFT-31 has two illuminated buttons that indicate their respective states when there is at
least one active source present:
Button
Button Lit
Button Un-lit
DISPLAY ON/OFF
Display ON
Display OFF
SOURCE AUTO
Auto Selection Mode
Manual Selection Mode
Using the SOURCE / AUTO Button
To toggle between MANUAL and AUTO modes, hold down the SOURCE / AUTO button for 3
seconds until the desired mode is selected.
Manual Selection Mode: Press to cycle through all three inputs.
Auto Selection Mode: Each button press will index through active inputs only. A new active
input is automatically selected; whilst de-activating the current input forces selection of the next
available input.
When there are no active inputs detected then all the input source LEDs will be off, and the
SOUCE / AUTO button will be inactive.
Using the DISPLAY ON/OFF Button
The Display ON/OFF button can be used to turn a display device on or off, either by using CEC
commands or RS232 messages.
CEC Display Power Control
The CEC commands to change the display power status (on/off) are built-in to the MFT31 by
default. Hence if the display device is CEC enabled, the ON/OFF button can switch the display
on/off through the HDMI CEC line. RS232 CEC commands to the MFT31 may be used for
controlling the display unit at any time.
RS232 Display Power Control
To use the RS232 feature of the Display On/Off button, the RS232 commands for the display
device must be programmed into the MFT31 first. Once done, the correct RS232 power
command will be sent to the display device each time the ON/OFF button is pressed.
When programming the Display On/Off RS232 commands, only use the most appropriate version
of the commands given in the following table:
Function
ASCII Display Command
Binary Display Command
Display On
/+0x:aa
/-0x:yy
Display Off
/+1x:bb
/-1x:zz

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Where:
x is the baud rate for the display device:
0 = 2400 1 = 4800 2 = 9600 3 = 19200
4 = 38400 5 = 57600 6 = 115200
aa is the ASCII command to turn the display on
bb is the ASCII command to turn the display off
yy are hexadecimal representation of the binary values to turn the display on
zz are hexadecimal representation of the binary values to turn the display off
Examples:
To set the LG power control commands using ASCII (at 9600 baud):
Display On: \+02:ka 00 01
Display Off: \+12:ka 00 00
Note that  represents a single carriage-return character (0x0d), which is required for the LG
command set.
These same commands can also be sent using binary mode commands:
Display On: \-02:6b 61 20 30 30 20 30 31 0d
Display Off: \-12:6b 61 20 30 30 20 30 30 0d
Note that there must be a space between each hexadecimal value, and that each hexadecimal
value must consist of two ASCII characters.
LINK LED
The LINK LED indicates a correct communication with the remote HDBaseT receiver.
SOURCE Input LEDs
The three LEDs beside the SOURCE / AUTO button indicate the currently selected input with an
active input (Flashing LED if input not active).
If there are no inputs detected, then all the source input LEDs and the SOURCE / AUTO button
LED will be off.
IR Pass-Through
The MFT-31 also supports IR pass through to the HDBaseT receiver, which can be done either by
using the built-in IR sensor or by connecting an IR Eye to the rear of the MFT-31.
Always check the wiring details for the IR Eye before wiring it to the MFT-31 – The following table
only gives the most common configuration:
3.5mm Connector Wiring
IR Signal Usage
Tip
+5V
Ring
Data
Sleeve
Ground

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MFT-31C IR Learning Feature
The MFT-31C / CE feature IR learning of the Display On/Off button commands:
1. Press and hold both the DISPLAY ON/OFF and SELECTION / AUTO buttons until the both
the button LEDs flash alternately.
2. Use the DISPLAY ON/OFF button to choose the command to be set:
a. Rapid flashing indicates that DISPLAY ON mode is selected
b. Slow flashing indicates that DISPLAY OFF mode is selected
3. Point the IR remote at the IR sensor and press the respective button on the IR remote.
4. The DISPLAY ON/OFF button LED will stop flashing and remain lit to indicate that the
IR command has been learnt.
5. Press the SOURCE / AUTO button to exit the IR learning mode.
Note that the IR Learning function will self-terminate after 30 seconds of inactivity.
To use this feature, an IR emitter must be plugged into the IR out of the HDBaseT receiver and
located so as to give a direct line of sight with the display device.
RS232 Commands
All RS232 commands should be sent as a single packet with these settings:
Baud rate: 9600
Parity: None
Data bits: 8
Stop bits: 1
Note that the MFT-31V / MFT-31VE versions can be set to one of seven baud rate values, see
Control Port Baud Rate below for more details.
The following sections detail the RS232 commands by category.
Input Selection
Input Source
RS232 command
Switch to HDMI 1
50701%
Switch to HDMI 2
50702%
Switch to USB-C (MFT-31C and MFT-31CE)
50704%
Switch to VGA (MFT-31V and MFT-31VE)
50704%
Enable Auto Selection Mode
50710%
Enable Manual Selection Mode
50711%
Return Switching Mode
50712%

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EDID Management
The input resolution (EDID setting) can be set using RS232 commands to one of the options given
in the following table. Please note that the EDID setting commands are used differently for the
MFT-31C and MFT-31V models.
Preferred Input Video
EDID
HDMI Audio Mode
MFT-31C RS232
Command
MFT-31V RS232
Command
720p
PCM 2ch
50768%
―
720p
Dolby/DTS PCM
6ch
50769%
―
1360x768@60
PCM 2ch
―
50769%
1080p
PCM 2ch
50770%
50770%
1080p
Dolby/DTS PCM
6ch
50771%
―
4K30
PCM 2ch
50772%
50771%
4K30
Dolby/DTS PCM
6ch
50773%
―
1280x720@60 (DVI)
None
50774%
50772%
1920x1080p@60 (DVI)
None
50775%
50773%
1920x1200p@60
PCM 2ch
50776%
50768%
3840x2160@60 (4:2:0)
PCM 2ch
50777%
―
1280x720@60
PCM 2ch
―
50774%
1280x800@60
PCM 2ch
―
50775%
Get TV EDID
―
―
50776%
Select Default EDID
―
―
50777%
Copy EDID from USB
As per User EDID
data file
―
50781%
Select User EDID
Memory
As per User
memory EDID
50782%
50782%
EDID Bypass
As per Display EDID
50783%
50783%
Return current EDID
setting
Depends on EDID
setting
50784%
50784%
When setting one of the fixed input EDID values, be sure that the source equipment can produce
that setting. Otherwise, a lower resolution could be chosen instead.
User EDID (50782%) requires a valid EDID data file to be sent to the MFT-31 device.
EDID Bypass (50783%) presents the display EDID directly to the video source devices.
The factory default setting is 1080p PCM 2ch.

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CEC Commands
The MFT-31 also supports sending of a few common CEC commands using RS232 command
code. Specific CEC command can also be sent from the MFT-31. The RS232 commands are as
given in the following table. Please note that only CEC enabled devices that have the specified
logical address will respond to CEC commands.
CEC Command
RS232 Command
Volume Up (MFT-31C only)
50730%
Volume Down (MFT-31C only)
50731%
Volume Mute Toggle (MFT-31C only)
50732%
Display On
50733%
Display Off
50734%
Send Specific CEC Command
CEC<xx:xx:xx:…>
The last command given in the above table is used to send a specific CEC command, where
xx:xx:xx:… represents the CEC data in hexadecimal format separated by colons.
Example: CEC<40:44:41>Display Volume Up pressed
CEC<40:45>Button released (Display Volume Up in this example)
Always refer to any relevant documentation for the device that the CEC command is intended
for, as incorrect usage could produce unexpected results.
HDCP Status
HDCP Mode
RS232 Command
HDCP Active (Same as source HDCP)
50706%
HDCP Off
50707%
HDCP Force On (V1.4)
50708%
Get HDCP Mode (On / Off Status)
50709%
Get HDCP Status (V1.4 or V2.2)
50713%
Update HDCP 2.2 Key (MFT-31V Only)
50735%
MFT-31 System Commands
System Command
RS232 Command
Get Firmware Version
50699%
Restore Factory Defaults
50617%
Disable Display On/Off Button
50740%
Enable Display On/Off Button
50741%
Commands Specific to the MFT-31V and MFT-31VE Only
Output Resolution
The VGA versions of the MFT-31 also supports VGA scaling output to the HDBaseT port, which

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can be set using one of the following commands. Always be sure that the display device is able
to display the chosen resolution to ensure that an image can be displayed.
Output Resolution
RS232 Command
Auto Adjust VGA Input
50714%
1024x768@60Hz
50715%
1280x720@50Hz
50716%
1280x720@60Hz
50717%
1360x768@60Hz
50718%
1600x1200@60Hz
50719%
1080p50
50720%
1080p60
50721%
1920x1200@60
50722%
3840x2160@30
50723%
VGA Audio Control
Output Resolution
RS232 Command
Mute VGA Audio Input
50726%
Unmute VGA Audio Input
50727%
Get VGA Audio Mute Status
50728%
Control Port Baud Rate
The VGA versions of the MFT-31 also provide the following baud rate options for the RS232
control port. (The MFT-31C/MFT-31CE is fixed at 9600 baud only).
Control Port Baud Rate
RS232 Command
2400
50742%
4800
50743%
9600
50744%
19200
50745%
38400
50746%
57600
50747%
115200
50778%
Product Part Numbers
Version
UK Format
EU Format
2 x HDMI + 1 x USB-C
SY-MFT-31C
SY-MFT-31CE
2 x HDMI + 1 x VGA
SY-MFT-31V
SY-MFT-31VE

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Specifications
General
HDMI Video Input
VESA and SMPTE 480p to 2160p with 3D.
All HDMI resolutions to 3840x2160p @60Hz 4:2:0
480p@60Hz 576p@50Hz 720p@60Hz
1080p@24Hz 1080p@50Hz 1080p@60Hz
4K@24Hz 4K@30Hz 4K@60Hz YUV4:2:0
All PC resolutions to 1920x1200@60Hz
USB-C Video Input (for
MFT-31C and MFT-31CE)
Up to 4K30 4:4:4 –4K@60Hz YUV4:2:0
VGA Video Input (for
MFT-31V and MFT-31VE)
Up to 1920x1200@60Hz
Audio Input (for MFT-
31V and MFT-31VE)
L+R 3.5mm Stereo Jack. 20Hz –20kHz, 1.5Vrms max.
HDMI Version
1.4
HDCP Version
1.4 and 2.2
HDBaseT Transmission
Distance
4K60 4:2:0 –40m
1080p60 –70m
HDBaseT Bandwidth
10.2 Gbps max.
Control Ports
RS232 & IR
RS232 Settings
Factory default: 9600, 8 bits, no parity, 1 stop bit
MFT-31V/MFT-31VE also provides the following baud rate
settings: 2400, 4800, 9600, 19200, 38400, 57600 and 115200
Control Connectors
1x Built-in IR sensor, 2x 3-pin pluggable terminal block for
RS232 and external IR Eye
1x HDBaseT output with bi-directional PoC
Power Supply
24V DC @ 1.25A max.
Power Consumption
5W max. (MFT-31 only –add extra for HDBaseT receiver)
Environmental
Operating Temperature
-10 to +40°C (+14 to +104°F)
Operating Humidity
10 to 90 % RH (non-condensing)
Weight
MFT-31C / 31CE: 235g
MFT-31V / 31VE: 245g
Physical
Dimensions (WxHxD)
UK: 146 x 86 x 43mm
EU: 151 x 80 x 43mm
Case Material
Aluminium chassis

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Safety Instructions
To ensure reliable operation of this product as well as protecting the safety of any person using
or handling these devices while powered, please observe the following instructions.
1. Use the power supplies provided. If an alternate supply is required, check Voltage,
polarity and that it has sufficient power to supply the device it is connected to.
2. Do not operate either of these products outside the specified temperature and
humidity range given in the above specifications.
3. Ensure there is adequate ventilation to allow this product to operate efficiently.
4. Repair of this equipment should only be carried out by qualified professionals as this
product contains sensitive devices that may be damaged by any mistreatment.
5. Only use this product in a dry environment. Do not allow any liquids or harmful
chemicals to come into contact with this product.
After Sales Service
1. Should you experience any problems while using this product, firstly refer to the
Troubleshooting section in this manual before contacting SY Technical Support.
2. When calling SY Technical Support, the following information should be provided:
Product name and model number
Product serial number
Details of the fault and any conditions under which the fault occurs.
3. This product has a two year standard warranty, beginning from the date of purchase
as stated on the sales invoice. For full details please refer to our Terms and
Conditions.
4. SY Product warranty is automatically void under any of the following conditions:
The product is already outside of its warranty period
Damage to the product due to incorrect usage or storage
Damage caused by unauthorised repairs
Damage caused by mistreatment of the product
5. Please direct any questions or problems you may have to your local dealer before
contacting SY Electronics.