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Brand Name : Grastron
Model Number : MS741
Certification : CE&FCC
Place of Origin : China
MOQ : 100 units
Price : Negotiable
Payment Terms : T/T
Supply Ability : 100K units per year
Delivery Time : 4-6 weeks
Packaging Details : Carton
7.1 Surround sound (analog) audio : 20 kΩ impedance
TOSLINK : Digital Optical Audio
Audio Bandwidth : 20 Hz to 20 kHz
Audio Sampling Rate : 48 kHz, 8CH, LPCM
EDID Memory : Advanced EDID Management Utilities
External Analog Stereo Audio : 20 KΩ Impedance
Audio Input Formats : HDMI And DisplayPort: Embedded Digital Audio
Audio Output Formats : HDMI: Embedded Digital Audio
Control Room Solution UHD 4K30Hz Multiviewer Audio Visual Quad Screens Content Sharing Wired Presentation Scaler
The grastron MS741 has seven inputs – 4x HDMI, 2x DisplayPort, 1x VGA/YPbPr supporting resolutions up to 3840x2160@30 on HDMI and 3840x2160@60 via DisplayPort. With rich functions such as Quad split windows, Picture-In-Picture, Triple, Side-By-Side, Full screen or something more complex with multiple layers.
Product Specifications:
| Video | |
| Input interface | 4× HDMI IN, 2 x DP IN, 1 x VGA IN | 
| Input specification | HDMI:HDMI 1.4a | 
| DVI: 165MHz (UXGA@60Hz) | |
| DisplayPort: DP1.2a | |
| MHL: supports MHL2.0, 1080p | |
| HDCP: HDMI 1.4, DP 1.3 | |
| RGB/YPbPr: 205MHz (up to UXGA@75Hz) | |
| Support input resolution | Up to 3840 x 2160@30Hz (4K x 2K@30Hz) | 
| Input level | 0.5-1.0 V peak to peak | 
| Output interface | 1 x HDMI OUT | 
| Output specification | HDMI 1.4 | 
| Support output resolution | Up to 3840 x 2160@30Hz (4K x 2K@30Hz) | 
| Output impedance | 100 Ω | 
| DDC signal | 1.2 V Peak to peak | 
| Audio frequency | |
| Input interface | 7 x 3.5mm stereo jack | 
| Output interface | 4 x 3.5mm stereo jack | 
| 1 x optical fiber terminal | |
| Routine | |
| Power Supply | 110~240V AC | 
| Power waste | 15W | 
| Control mode | RS232, LAN | 
| Working temperature | 0°C to 35°C (32°F to 95°F) | 
| 10% to 90%, non condensing | |
| Storage temperature | -20°C to 70°C (-4°F to 140°F) | 
| 10% to 90%, non condensing | |
| Product size | 440mm x 272mm x 43.5mm | 
| (L x W x H) | |
| Product weight | 3.16kg | 
The EDID management including two level methods, Basic EDID Management and Advance EDID Management.
Basic EDID management:
Inner EDID procedure schematic diagram :

Software introduction
Please run the software “UartAssist”. Which is opened with main interface as below:
Attention: Main software menu is pull down menu, as below. If user want to change the language(语言), please change the language option to be Chinese or English.

Copy the EDID of output to assign it to the EDID of input:
Send:ATM 09 EDI_CPY N M
N:1 (output No. 1)
M: 1, 2, 3, 4, 5 (input No. 1-5)
Feedback:09 EDI_CPY N M
Example: Copy the output port No.1, of which EDID from connected display device to assign to the input port No. 1
Send:ATM 09 EDI_CPY 1 1
Feedback: 09 EDI_CPY 1 1
MS741's advanced EDID management contains EDID assign, EDID upload and Download and EDID commands for managing the EDID from the seven input ports.

Application:
Grastron MS741 Hot Sale Ultra HD 4K30Hz 444 HDMI MULTI-VIEWER Switcher With RS-232 Control. With rich features designed for space need multiple windows display both commercial and business applications.

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