Programming with GPIB Commands
2-7 Frequency Marker Commands
MG369xC GPIB PM
PN: 10370-10374 Rev. F
2-19
2-7
Frequency Marker Commands
lists the frequency marker command mnemonic codes. These commands provide for (1) selecting a
CW frequency as a potential marker, (2) selecting a potential marker as an active marker, and (3) individually
turning markers on and off.
The
ME1
command will enable a marker at the current frequency that is open for update; the
ME0
command
will disable the same marker. If a frequency parameter is not open, no action will be taken. The
VM1
command
will turn on video markers. The
MK0
command will turn all markers off.
shows an example of a
frequency marker command string.
Programming Note:
Only one marker mode can be active. Consequently, if the intensity marker mode is active and the video
marker mode is programmed, the displayed markers will change to video markers. Either mode can be turned
off with the
MK0
command.
Table 2-7.
Frequency Marker Commands
Mnemonic Code
Function
IM1
Turns on the Intensity marker mode.
ME0
Disables the marker at the active frequency.
ME1
Enables a marker at the active frequency.
MKO
Turns off markers.
MPN
Sets the rear panel marker polarity negative.
MPP
Sets the rear panel marker polarity positive.
VM1
Turns on the video marker mode.
Figure 2-6.
Example of a Frequency Marker Command String
VM1
Turns on the video-marker mode.
Disables the F1 frequency marker.
Enables the F7 frequency marker.
Enables the F4 frequency marker.
Turns both markers off, but leaves the F7 and F4 markers enabled.
Therefore, when VM1 is next programmed, two frequency markers
will reappear on the display, provided their frequencies are within the
MG369xC’s sweep range.
F1 ME0
F7 ME1
F4 ME1
MK0
Summary of Contents for MG369 C Series
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