New Features (difference from VG-871B)

■ HDMI TMDS Clock 300MHz supported. It realizes 4Kx2K/30Hz timing and 3D timing Side-by-Side(Full) / Frame Packing at 1080p/60Hz timing.

■ HDMI 16-bit video output within limited dot clock frequency.

■ HEC (Ethernet Channel) communication.

Main Features

■ Maximum 2 additional interfaces can be selected.

■ HDMI various function supported (xvYCC/Deep Color/CEC/Lip Sync).

■ DVI Dual Link 330MHz dot clock freqency (VM-1814)

■ Analog 250MHz dot clock frequency supported. (VM-1811)

■ 4Kx2K format and Full HD 240Hz timing supported. (VM-1824, VM-1824-A, VM-1825, VM-1826).

■ RGB 16-bit drawing

■ China standard monoscope pattern supported as standard.

■ Windows based control and program edit software SP-8870.

■ Terminal commands provided for PC control.

■ 1000 programs are saved in a CF card.  The internal memory (about 100MB) can also be used to save users’ own programs.


  • ■ Uncompressed 10-bit moving picture function (VM-1819). Motion pictures are selected from VT-7001 Video Library for HDTV evaluation.

Data sheet (VM-1819 Motion Picture) [ Download ]
Data sheet (VT-7001 Video Library)[ Download ]

■ Next generation HDMI High Bit Rate audio (VT-8500-0006 or VT-8500-0008).

  • ■ Image format converter (SP-8010).  8, 24, 36 and 48-bit TIFF data is converted to the file for ASTRO VG file format (VBM).

Data sheet (SP-8010 Image Format Converter)[ Download ]

  • ■ 8/10/12-bit Natural Pictures card for TV evaluation (VT-8001)

Data sheet (VT-8001 8/10/12-bit natural picture)[ Download ]

  • ■ Chinese TV Inspection Pattern Library (VT-8500-0004)

Data sheet (VT-8500-0004 China patterns)[ Download ]

■ Uncompressed 4Kx2K Picture Library VT-7004

■ 0.5 / 0.25 / 0.125 dot scroll option. APDC pattern (0.5 dot scroll) for moving picture resolution testing (APDC pattern is provided by Advanced PDP Development Center Corporation.)

■ Remote box RB-1870 (with program edit function) and RB-1871 (program selection only. For production operators use.)

Note1: Specifications will differ from the selected interface and option.

Note2: VG-873 and VG-874 are equipped with one HDMI 300MHz unit as standard. Users can select 2 additional output units.  Please refer to interface units of VG-870B / 871B.


VG-873 Front button operation
Analog dot clock (when VM-1811 is installed) : 300MHz
VG-874 Remote box operation (RB-1870 or RB-1871 as option)
Analog dot clock (when VM-1811 is installed) : 250MHz


HDMI Video
Output channel
2 channels
Dot Clock (8bit)
25 to 300MHz
Dot Clock (10bit)
25 to 240MHz
Dot Clock (12bit)
25 to 200MHz
Dot Clock (16bit)
(25 to 150MHz)
TMDS clock
Max. 300MHz
Video Format
RGB, YCbCr4:4:4/4:2:2
Bit width
8, 10, 12, 16 bits (RGB, YcbCr 4:4:4)
8, 10, 12 bits (YCbCr 4:2:2)
HDMI Audio
Sampling frequency
32, 44.1, 48, 88.2, 96, 176.4, 192kHz
Resolving power
16, 20, 24 bits
20 to 24kHz (20Hz unit)
Linear PCM, Non-linear PCM, DSD
HDMI, Coaxial Audio (for ARC testing)
Coaxial, I2S
E-EDID Ver1.3 (DDC2B)
ARC Audio Return Channel supported.