Main Check - HP 8360 User Handbook Manual

Main Check 1.

Specifications
Press [SERVICE).
2.
Select Selftest CFull) . Check that all tests performed pass.
3. Press [PRESET). If the display indicates a user preset was
performed, select Factory Preset . Verify that the green
SWEEP LED is blinking, the amber RF ON/OFF LED is on, and
the red INSTR CHECK LED is off.
4. P r e s s ( U S E R C A L ) .
Select Tracking Menu .
5.
a. If the synthesizer has Option 001, step attenuator, select
Auto Track. Wait for the synthesizer to finish peaking before
continuing.
b. If the synthesizer has no step attenuator installed, provide a
good source match on the output connector (a power sensor or
10 dB attenuator will do). Select Auto Track. Wait for the
synthesizer to finish peaking before continuing.
6. Press I=).
Select Freq Cal Menu.
7.
8.
Select Sup Span Cal Once. Verify that status problems do not
exist (UNLOCK, UNLVLED, or FAULT). An OVEN status message
will appear on the message line if the synthesizer has been
disconnected from ac power. This message will turn off within
10 minutes, if it does not, there may be a problem. If a FAULT
message is displayed, refer to menu map 6, Service to access fault
information.
9. Terminate the RF output with a good source match (either a 500
load or power sensor). Press
level until the unleveled message is displayed on the message line.
Decrease the power level until the unleveled message turns off.
Note the power level reading. Verify that the synthesizer can
produce maximum specified power without becoming unleveled.
This completes the operator's check. If the synthesizer does not
perform as expected, have a qualified service technician isolate and
repair the fault. See "Service Information."
Increase the power
( ).
POWER LEVEL
Operator's Check/Routine Maintenance 4-3