Analog Way Scan Vision VHX II - VHX480 User Manual
Page 14
Chapter 7 : RS-232 PROGRAMMER'S GUIDE SCAN VISION VHX II
™
PAGE 14
7-5. VALUES DESCRIPTION (continued)
• O command allows to choose the Size mode.
bit 7
(128)
bit 6
(64)
bit 5
(32)
bit 4
(16)
bit 3
(8)
bit 2
(4)
bit 1
(2)
bit 0
(1)
Reserved to manufacturer
Reserved to manufacturer
01 = Standard mode
11 = Overscan mode
00 = Zoom mode
NOTE: To modify an adjustment you should first read the value of the command, then modify the value of the
corresponding bit, without modify the value of the others bits and then return the new value.
• D command allows to calculate the line frequency:
Input line frequency (in kHz) = UNIT value ÷ DHI value.
• E command allows to calculate the frame frequency:
Input line frequency (in Hz) = ((UNIT value ÷ DHI value) x 1000) x GRT value.
7-6. ASCII / HEX / DEC TABLE
ASCII
HEX
DEC
ASCII
HEX
DEC
ASCII
HEX
DEC
space
20
32
@
40
64
`
60
96
!
21
33
A
41
65
a
61
97
"
22
34
B
42
66
b
62
98
#
23
35
C
43
67
c
63
99
$
24
36
D
44
68
d
64
100
%
25
37
E
45
69
e
65
101
&
26
38
F
46
70
f
66
102
’
27
39
G
47
71
g
67
103
(
28
40
H
48
72
h
68
104
)
29
41
I
49
73
i
69
105
*
2A
42
J
4A
74
j
6A
106
+
2B
43
K
4B
75
k
6B
107
,
2C
44
L
4C
76
l
6C
108
-
2D
45
M
4D
77
m
6D
109
.
2E
46
N
4E
78
n
6E
110
/
2 F
47
O
4 F
79
o
6 F
111
0
30
48
P
50
80
p
70
112
1
31
49
Q
51
81
q
71
113
2
32
50
R
52
82
r
72
114
3
33
51
S
53
83
s
73
115
4
34
52
T
54
84
t
74
116
5
35
53
U
55
85
u
75
117
6
36
54
V
56
86
v
76
118
7
37
55
W
57
87
w
77
119
8
38
56
X
58
88
x
78
120
9
39
57
Y
59
89
y
79
121
:
3A
58
Z
5A
90
z
7A
122
;
3B
59
[
5B
91
{
7B
123
<
3C
60
\
5C
92
|
7C
124
=
3D
61
]
5D
93
}
7D
125
>
3E
62
^
5E
94
~
7E
126
?
3F
63
_
5F
95
DEL
7F
127