Tektronix 222 - Page 76

222 DSO Operators-How It Works
Press SELF CAL~ to call up the calibration menu.
SELF CAL: CHI
CH2
EXT TRlG
DlgNal Storage
Iwmnix 222 ..,,., 111
Press CH 1- to start the Channel 1 self calibration.
When the PASSIFAIL message is displayed the first routine is
done.
Press
CH to start the Channel 2 self calibration.
When the PASSJFAIL message is displayed the second routine
is done.
Press
EXT TRIG- to bring up the menu for running the
external trigger self calibration.
NOTE
For this self calibration, the EXT TRlG COMM and EXT
TRlG INPUT connectors must be connected together.
A short jumper with banana plug connectors may be
used to make the connection.