NEC MultiSync V422 Control Guide

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4.3 Check code
Check code is the Block Check Code (BCC) between the Header and the End of Message except SOH.
D
n+1
= D
1
XOR D
2
XOR D
3
XOR ,,, D
n
XOR: Exclusive OR
Following is an example of a Check code (BCC) calculation.
Check code (BCC) D
17
= D
1
xor D
2
xor D
3
xor … xor D
14
xor D
15
xor D
16
= 30h xor 41h xor 30h xor 45h xor 30h xor 41h
xor 02h xor 30h xor 30h xor 31h xor 30h xor 30h
xor 30h xor 36h xor 34h xor 03h
= 77h
Header
Message
Check code
Delimiter
2
7
2
6
2
5
2
4
2
3
2
2
2
1
2
0
SOH D
0
Reserved D
1
Destination D
2
Source D
3
Type D
4
Length(H) D
5
Length(L) D
6
STX D
7
Data D
8
| |
| |
ETX D
n
Check code D
n+1
P P P P P P P P
Header Message
SOH
Reserved
Destination
Address
Source
Address
Message
type
Message length STX
OP code
page
OP code Set Value ETX
Check
code
(BCC)
Delimiter
01
30 41 30 45 30 41 02 30
30
31
30
30
30
36
34
03 77 0D
D
0
D
1
D
2
D
3
D
4
D
5
D
6
D
7
D
8
D
9
D
10
D
11
D
12
D
13
D
14
D
15
D
16
D
17
D
18

NEC MultiSync V422 Specifications

General

Pixel pitch	0.48 x 0.48 mm
Response time	10 ms
Display diagonal	42 \
Display brightness	370 cd/m²
Vertical scan range	50 - 85 Hz
Horizontal scan range	31.5 - 91.1 kHz
Contrast ratio (dynamic)	-
Contrast ratio (typical)	1300:1
Display number of colors	16.78 million colors
Supported graphics resolutions	720 x 400, 832 x 624, 1024 x 768 (XGA), 1280 x 1024 (SXGA), 1280 x 768 (WXGA), 1360 x 768 (WXGA), 1600 x 1200 (UXGA), 1920 x 1080 (HD 1080), 640 x 480 (VGA), 800 x 600 (SVGA)
3D	No
Separate H/V sync	Yes
Cable lock slot type	Kensington
USB 2.0 ports quantity	0
S-Video inputs quantity	1
Viewable size, vertical	523.3 mm
Viewable size, horizontal	930.2 mm
DVI-D ports quantity	2
Product color	Black
Product design	Digital signage flat panel
Bezel width (side)	44 mm
Bezel width (bottom)	43 mm
Panel mounting interface	300 x 300 mm
RMS rated power	10 W
Cables included	VGA
Remote control type	IR
Power consumption (standby)	2 W
Power consumption (typical)	155 W
Operating altitude	0 - 3000 m
Storage temperature (T-T)	-20 - 60 °C
Operating temperature (T-T)	5 - 40 °C
Storage relative humidity (H-H)	10 - 90 %
Operating relative humidity (H-H)	20 - 80 %
Package depth	206 mm
Package width	1142 mm
Package height	703 mm
Package weight	27000 g

Weight and Dimensions

Depth	105.6 mm
Width	1022.9 mm
Height	613.5 mm
Weight	22000 g
Depth (with stand)	330 mm
Height (with stand)	651.2 mm
Weight (with stand)	23800 g