Tektronix RSA3300A, Service Manual

Page: 60 / 284

Brief Procedures
4- 4
RSA3303A & RSA3308A Service Manual
Functional Check
The analyzer has a built-in calibration signal source with amplitude of approxi-
mately --20 dBm and frequency of 50 MHz. Using this source, perform this
quick functional check to verify that your instrument is operating correctly.
Equipment
Required
None
Prerequisites Power on the analyzer and allow a 20 minute warm-up before doing
this procedure.
1. Initialize the analyzer:
a. Press the SYSTEM key on the front panel.
b.
Press the
Reset All to Factory Defaults
side key.
2.
Check the system version and options:
a. Press the SYSTEM key on the front panel.
b. Press the Versions and Installed Options... side key.
c. Check the version at the “Main System” field and the options in the
option table.
3.
Check the display brightness:
a. Press the Cancel--Back (top) side key.
b. Press the Display Brightness side key.
c. Change the value from 0 to 100% using the general purpose knob to
check that the brightness changes normally.
4.
Display spectrum of the calibration signal:
a. Press S/A > Spectrum Analyzer .
b. Press the PRESET key on the front panel to reset the analyzer.
c. Press INPUT > Signal Input Port... > Cal .
The spectrum of the calibration signal appears.
d. Check that “INPUT: CAL” and “FREE RUN” are displayed in the status
indicator at the upper right of the screen (see Figure 4--1).