3-14
SECURE OPERATION
The 680XXB can be operated in a secure mode of operation. In this se-
cure mode, the display of all frequency and power level parameters is
disabled during both local (front panel) and remote (GPIB) operations.
The instrument will continue to function normally in all other re-
spects. The following paragraphs describe how to place the CW gener-
ator in secure mode and how to return to normal operation.
To place the 680XXB in the secure mode, first press
SYSTEM
to display the System Menu.
Next, press
Secure
. This places the CW generator
in the secure mode and the Secure Menu (below) is
displayed.
NOTE
During secure mode, all main menu keys
and menu soft-keys operate normally.
The menu soft-key labels are displayed
and change with menu selections. Only
the parameter display is disabled.
To return the 680XXB to unsecured (normal) opera-
tion, press
SYSTEM
, then press
Reset
.
LOCAL (FRONT
SECURE
PANEL) OPERATION
OPERATION
3-70
680XXB OM
Summary of Contents for 680 B Series
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Page 11: ...Figure 1 1 Series 680XXB Synthesized CW Generator...