Agilent Technologies E8285A Manual page 66

Troubleshooting
AF, RF, and CDMA Diagnostics
A fifteen minute warm up is required. The measurement limits of the SERVICE4
NOTE
diagnostic tests are valid only at room temperature; that is, 20º to 25ºC (65º to
75ºF).
Test Sets with firmware revision A.04.5X and above operate only at RF
NOTE
frequencies from 800 to 1000 MHz and 1700 to 2000 MHz. A text only error
message "Input value out of range" , will be displayed if invalid
frequencies are set.
Figure 2-16 RF Diagnostics Screen
When a test fails, a diagnosis is given as:
• Sometimes a diagnostic code.
• The name of the assembly or assemblies most likely to have failed.
• Sometimes a rating (high, medium, or low) of the confidence of the diagnosis.
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RF Diagnostics