Examples Of Strings To Send; Subtype 01H - Cursor Up; Subtype 02H - Letter 'A; Subtype 03H - Number '3 - ReQuest Multimedia VideoReQuest Protocol Manual

E x a m p l e s o f S t r i n g s t o S e n d :
Subtype 01h – Cursor Up:
The command for Cursor Up is 03h. Send the following:
Marker Cmd
Type
FCh A0h 0Ah
Subtype 02h – Letter 'A':
The command for any Letter is 22h. Send the following:
Marker Cmd
Type
FCh A0h 0Ah
Subtype 03h – Number '3':
The command for any Number is 13h. Send the following:
Marker Cmd Sub
Type type
FCh A0h 0Ah 03h
* See below for more information on calculating the 4 byte number in the Data Argument
Subtype 04h – Requesting Player Detail "Genres":
The command for Player Detail Request is 37h. Send the following:
Marker Cmd
Type
FCh A0h 0Ah
** Data Size for Subtype 04h is a variable that depends on the length of the argument

Calculating the 4 Byte Number Argument:

1) Assume that the number you wish to send is an ASCII value, NOT the actual number
2) Determine the Hex value of the number you wish to send (see table below for
examples)
a. For example, the number 3 would be 03h, NOT 33h
b. If the number is less than 4 bytes (i.e. less than 4311810304), append 00h to
the beginning of the number to complete the 4 byte requirement
Num Hex Num
0 00 16
1 01 17
2 02 18
3 03 19
4 04 20
5 05 21
6 06 22
7 07 23
8 08 24
9 09 25
10 0A 26
11 0B 27
12 0C 28
13 0D 29
14 0E 30
15 0F 31
Phone (518) 899-1254 • Fax (518) 899-1251 •
Sub Flags
type
01h 00h 00h
Sub Flags
type
02h 00h 00h
Flags Data Size
00h 00h 00h 08h
Sub Flags Data Size**
type
03h 00h 00h 00h
Hex Num Hex
10 32 20
11 33 21
12 34 22
13 35 23
14 36 24
15 37 25
16 38 26
17 39 27
18 40 28
19 41 29
1A 42 2A
1B 43 2B
1C 44 2C
1D 45 2D
1E 46 2E
1F 47 2F
VideoReQuest Protocol Guide v1.1.2 - 5/18/04
Data Size Chk
Sum
00h 04h 00h
Data Size Chk Engine
Sum
00h 05h 00h
Chk Engine Mode
Sum
00h FFh FFh
Chk Engine
Sum
0Ah 00h FFh
Num Hex Num
48 30 64
49 31 65
50 32 66
51 33 67
52 34 68
53 35 69
54 36 70
55 37 71
56 38 72
57 39 73
58 3A 74
59 3B 75
60 3C 76
61 3D 77
62 3E 78
63 3F 79
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8 -
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Engine Mode Data
FFh FFh 03h
Mode Data
FFh FFh 22h 41h
Data*
13h 00h 00h 00h
Mode Data
FFh 37h Genres
Hex Num Hex
40 79 50
41 80 51
42 81 52
43 82 53
44 83 54
45 84 55
46 85 56
47 86 57
48 87 58
49 88 59
4A 89 5A
4B 90 5B
4C 91 5C
4D 92 5D
4E 93 5E
4F 94 5F
Chk
Sum
00h
Chk
Sum
00h
Chk
Sum
03h 00h
Chk
Sum
00h