Mikrotron MC130x, Руководство пользователя, Страница: 41 / 68

Configuration MC130x Users Manual Rev. 2.1
6.15.2.3 Rightmost pixel of the trigger line
The end of the trigger line is determined by the value of register
r9.
Command:
:r9 <x
2
x
1
x
0
>
<x
2
x
1
x
0
> ... range 000h ...7fh
Response: none
Calculation of r9:
Value of r9 = pixel number / 10
L
The difference r9 – r8 must not exceed the val-
ues of table 10 (chapter
6.12 ).
6.15.2.4 Threshold level, superimposing trigger line
The threshold level is set by register rA
h
. The pixel values along
the trigger line are compared with this value.
Command:
:rA
h
<x
2
x
1
x
0
>
<x
1
x
0
> ... range 0 ..ffh
<x
2
> = 0: pixel grey level > threshold level,
trigger line not visible
1: pixel grey level < threshold level,
trigger line not visible
2: pixel grey level > threshold level,
trigger line visible
3: pixel grey level < threshold level,
trigger line visible
Response: none
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