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Adjustment
Adjustment Procedures
72
The oscilloscope has four onboard calibration routines. You can access these
routines through the system calibration menu. Use the following procedure.
NOTE
Except for early TDS 320 oscilloscopes, the Voltage, Timing, and
External Trigger calibration routines are disabled at the factory. To
enable the calibration menus, see Enabling Calibration Menus, on
page 829.
1. Press UTILITY.
2. Press the leftmost main menu button until the popup menu shows the
Cal selection. This calls up the system calibration menu, shown in Figure
71.
Figure 71:The SystemCalibration Menu
3. Remove all input signals from the front panel BNC connectors.
4. Press the main menu button Voltage. Read the onscreen text before
continuing.
5. Press the side menu button OK Calibrate Voltage Ref. Connect a DC
calibration generator (Item 4) to the CH 1 input through a 50 W coaxial
cable (Item 3) and follow the instructions on the screen.
6. Press UTILITY.
The System
Calibration Menu
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