Mainframe clock adjustment
5. Set the genlock
source to CW of the AGL7 Genlock module as follows:
a. Press the MODUL E button to display the AGL7 main menu.
b. Press the up (▲)ordown(▼) arrow button to select GENLOCK,and
then press the ENTER button to access the GENLOCK submenu.
c. Press the left (◄)orright(►) arrow button to select CW,andthenpress
the ENTER button.
d. Press the BACK button to return to the AGL7 main menu.
6. Press the MODULE button until TG8000 : PRESET is displayed.
7. Press the up (▲)ordown(▼) arrow button to select UTILITY,andthen
press the ENTER button to access the UTILITY submenu.
8. Press the up (▲)ordown(▼) arrow button to select CAL OVEN : SELECT,
and then press the ENTER button.
9. A message will be displayed asking you to verify that you want to execute the
calibration. Press the ENTER button to proceed with the calibration.
10. Verify that the message CALIBRATION result = xxxxxxx is displayed.
The result should be seven characters near the value of 2,097,152.Pressthe
ENTER button to exit the calibration mode.
11. Verify the calibration:
a. Press the MODULE button until TG8000 : PRESET is displayed.
b. Press the up (▲)ordown(▼)arrowbuttontoselectUTILITY,andthen
press the ENTER button to access the UTILITY submenu.
c. Press the up (▲)ordown(▼)arrowbuttontoselectDIAGNOSTICS
,
andthenpresstheENTER button to access the DIAGNOSTICS submenu.
d. Press the left (◄)orright(►)arrowbuttontoselectDIAGNOSTICS :
CAL.
e. Check that the CAL value is less than 2.5 e
-6
.
NOTE. IftheCALvalueisgreaterthan2.6e
-6
, then the oscillator oven may need
to be serviced.
2–4 TG8000 Multiformat Test Signal Generator Service Manual
To Next Page
Loading...
Need help?
General
