17-10
Mask Test Commands
SOURce
This command defines Y=1 in the coordinate system for mask testing. All Y values of vertices
in the coordinate system are defined with respect to the boundaries defined by SCALe:Y1 and
SCALe:Y2, according to the following equation:
Y = (Y × (Y2 – Y1)) + Y1
Thus, if you set Y1 to 100 mV, and Y2 to 1 V, a Y value of .100 in a vertex is at 190 mV.
<y2_value> is a voltage value specifying the location of the Y2 marker.
Query :MTESt:SCALe:Y2?
The query returns the current setting of the Y2 marker.
Returned Format [:MTESt:SCALe:Y2] <y2_value> <NL>
Example 10 OUTPUT 707;”:MTEST:SCALE:Y2 2.5”
SOURce
Command :MTESt:SOURce {CHANnel<N> | FUNCtion<N> | CGMemory}
This command sets the database source for mask tests. The default is the lowest numbered
database signal displayed. <N> is an integer, 1 through 4.
Query :MTESt:SOURce?
This query returns the current database source for the mask test.
Returned Format [:MTESt:SOURce] {CHANnel<N> | FUNCtion<N> | CGMemory}<NL>
Example 10 OUTPUT 707;”:MTEST:SOURCE CHANNEL1”
SCALe:YTRack
Command :MTESt:SCALe:YTRack {{ON | 1} {OFF | 0}}
This command enables or disables tracking between the Y1 and Y2 levels.
Query :MTESt:SCALe:YTRack?
The query returns the current state of the tracking.
Returned Format [:MTESt:SCALe:YTRack] {1 | 0}<NL>
Example 10 OUTPUT 707;":MTEST:SCALE:YTRACK:ON"
SSCReen
Command :MTESt:SSCReen {OFF | DISK [,<filename>]}
This command saves a copy of the screen in the event of a failure. OFF turns off the save
action. DISK saves a copy of the screen to disk in the event of a failure. Additional disk-
related controls are set using the SSCReen:AREA and SSCReen:IMAGe commands.
<filename> ia an ASCII string enclosed in quotations marks. If no filename is specified, a file-
name will be assigned. The default filename is MaskLimitScreenX.bmp, where X is an incre-
mental number assigned by the instrument.
NOTE The save screen options established by the commands MTESt:SSCReen DISK, MTESt:SSCReen:AREA, and
MTESt:SSCReen:IMAG are stored in the instrument’s memory and will be employed in consecutive save screen
operations, until changed by the user. This includes the <filename> parameter for the MTESt:SSCReen DISK
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