16 Chapter 1
Installation and Setup
Firmware Revision
Using an External Reference
If you wish to use an external 10 MHz source as the reference frequency, connect an external reference
source to the
10 MHz REF IN connector on the rear panel. The signal level should be greater than –15
dBm.
NOTE It is not necessary to connect the 10 MHz REF OUT to the 10 MHz REF IN on the rear of
the analyzer. Doing so results in a “Frequency Reference Error” message.
1. To use an external frequency reference, connect it to the EXT REF IN connector on the rear panel
(see “Rear-Panel Features” on page 32).
Firmware Revision
To view the firmware revision of your analyzer, press System, More, Show System. If you call Agilent
Technologies regarding your analyzer, it is helpful to have this revision and the analyzer serial number
available.