Secure Data, Option 7 4-5 Frequency Blanking
MS20xxC UG PN: 10580-00305 Rev. L 4-5
4-5 Frequency Blanking
With Option 7 enabled, you have the ability to blank the frequency values that are displayed
on the screen, as shown in Figure 4-1. This extra security measure allows you to use the
instrument in any environment with sensitive frequency information blanked from the
screen. To enable frequency blanking, navigate to the Reset menu and toggle the
Frequency Blanking button to On (Shift-8 (System), System Options, Reset). The Reset menu
and the Frequency Blanking button are shown in Figure 4-2.
Figure 4-1. Frequency Blanking Turned On
Warning
Note that user files can still be stored to an external USB drive, and that frequency
information is not blanked in those files. You must therefore ensure that no
external USB devices are used to unintentionally store measurement or setup files
when working with secure frequencies. Also, frequency information is not blanked
from the SCPI commands that are used to remotely control the instrument. It is
therefore up to you to ensure that no remote connections are made to the
instrument when frequency information is being protected.
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