Tektronix CSA 803C Marine Radio User Manual


 
Performance Tests
Performance Verification
4Ć38
ăStep 35:ăSet the horizontal reference point to Center as follows, so that
the waveform will be expanded around the horizontal center:
WAVEFORM button press.......................................
Horizontal Desc (in major menu) touch.......................
Center (in popĆup menu) touch..............................
ăStep 36:ăAdjust the Vertical Size as follows:
Vertical icon touch.............................................
Set Vert Size to 5 mV adjust upper knob......................
ăStep 37:ăSet the Main Size as follows:
Horizontal icon touch...........................................
Set Main Size to 1 ps/div adjust upper knob...................
ăStep 38:ăTurn the mainframe Average on.
WAVEFORM button press.......................................
Acquire Desc (in major menu) touch.........................
Average N (in popĆup menu) touch...........................
Select Exit (in popĆup menu) touch...........................
ăStep 39:ăActivate the cursors as follows:
Cursors icon touch............................................
ăStep 40:ăRead the Dv located in the major menu. Dv should be within
-28.3 mV and -23.1 mV, or within +23.1 mV and +28.3 mV, showing
that the sweep rate accuracy is within 10%.
ăStep 41:ăTouch Exit (in the major menu).