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Getting Started
How do I Verify that the Test Set is Operating Properly?
Chapter 2
49
How do I Verify that the Test Set is Operating Properly?
If your Test Set powers-up and displays the CDMA ANALYZER screen, but you suspect
an instrument problem, use the Instrument Quick Check to verify operation of the basic
instrument functions.
If no failure is indicated by this test, but you still suspect a problem, refer to the
“Performance Tests” information in the Assembly Level Repair Manual.
Instrument Quick Check
Step 1.
Set up the quick check:
a.
Remove any connected cables (except for AC or DC power).
b.
Turn instrument power on (if it is not already on).
c.
Press
Preset
.
d.
Press
Inst Config
and set the RF Display field to Freq.
e.
Press
CDMA Anl
and select the Avg Pwr field, then select Rho from the Choices: menu.
f.
Set the Tune Freq field to 800 MHz.
g.
Set the Anl Dir field to Fwd.
h.
Press
CDMA Gen
and set the Output Port field to RF Out.
i.
Set the RF Gen Freq field to 800 MHz.
j.
Set the Amplitude field to −40 dBm
k.
Set the Gen Dir. field to Fwd. (The EQ In/Out field is displayed.)
Step 2.
Check the following reading:
a.
Rho should be greater than 0.96.
Step 3.
Press
Spec Anl
to access the SPEC ANL screen.
You should see the characteristic CDMA spectrum.