Chapter 2 199
Front-Panel Key Reference
System (Local)
Freq Correct
On Off
Controls use of some of the correction factors. When On
is underlined, frequency correction factors are used.
When Off is underlined, frequency correction factors
are not used, and Freq Corr Off appears on the
display. Turning the correction factors off degrades
frequency accuracy.
Key Access:
System, Alignments
NOTE Frequency correction factors must be on for the analyzer to meet its
specified performance.
Timebase Accesses the Fine and Coarse Timebase menu keys,
which allow control of the 10 MHz time base frequency.
This function is used to verify the settability of the
10 MHz reference and to adjust for changed operating
conditions, such as temperature. Pressing
Load Defaults
or cycling power, resets the time base to its original
value.
Key Access:
System, Alignments
Load Defaults
Loads the default values for the alignment system,
turns on the frequency corrections, and resets the time
base to the factory values.
Align Now, All, will
automatically execute three times after pressing Load
Defaults
.
Key Access:
System, Alignments
Remote Port
Allows the GPIB address to be entered. The default address is 18.
With Option 1AX (RS-232 and Parallel) only. Allows the baud rate to be
set. The available baud rate values are as follows: 110, 300, 600, 1200,
2400, 4800, 9600, 19200, 38400, 57600, 115200. The default baud rate is
9600.
Key Access:
System
Show System
Displays the number and description of the options installed in your
analyzer. It also displays the instrument model number, product
number, serial number, firmware revision number, Host ID (for
licensing), bootrom revision, and amount of RAM and ROM.
Key Access:
System, More
Prev Page
Allows you to access the previous page of show system.
It is grayed out if you are on the first page or only one
page exists.
Key Access:
System, More, Show System
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