Reference
TSG 1001 Programmable TV Generator User Manual
61
Used without a parameter, this command will activate the standard Circle zone
plate pattern. The inclusion of a command parameter will also change all four of
the spatial parameters (K
X
, K
Y
, K
X
2
, and K
Y
2
) that define the pattern. The
command parameter specifies K
Y
2
; the remaining three are internally calculated
from that value. Max, Min, and the Up/Down increments will depend on the
active video format. The query—appropriate only when the Circle pattern is
active—will return the current value of K
Y
2
.
:ZPREset:DSINe
Applicable only when the Zone Plate signal set is active.
Parameters:
#.#### (c/aph);
Down or Up;
Max or Min
Used without a parameter, this will select the standard Diagonal Sine zone plate
pattern. The inclusion of a command parameter will change K
X
and K
Y
, which
define the pattern and are calculated internally
from the :DSINe frequency
parameter
ǒ
K
X
+
K
Y
+
f
:DSIN
B
2
Ǹ
Ǔ
. Max, Min, and the Up/Down increments will
depend on the active video format. The query—appropriate only when the
Diagonal Sine pattern is active—will return the current diagonal sine frequency.
:ZPREset:HSINe
Applicable only when the Zone Plate signal set is active.
Parameters:
#.#### (MHz);
Down or Up;
Max or Min
Used without a parameter, this will select the standard Horizontal Sine zone plate
pattern. The inclusion of a command parameter will change K
X
, which defines
the pattern. Note that the :HSINe parameter is the real-time frequency of the
luminance sine wave, in MHz, from which K
X
is internally calculated. Max and
the Up/Down increments will depend on the active video format. Min is zero.
The query will return the current real-time frequency value of K
X
.
:ZPREset:HSWEep
Applicable only when the Zone Plate signal set is active.
Parameters:
#.#### (MHz);
Down or Up;
Max or Min