Maintenance; Vertical Resolution Calibration; Probe Compensation - Promax OD-405 Manual De Instrucciones

USER'S MANUAL. OD-405/410B/411/415

7 MAINTENANCE

Two types of maintenance operations are available: calibrating the
vertical resolution, and compensating the probe. Run these operations when
using the oscilloscope in a new environment.
7.1

Vertical Resolution Calibration

Procedure
1. Press the Utility key.
2. Press the function key More.
3. Press the function key Self. CAL Menu.
4. Press Vertical. The message "Set CAL to CH1, then press F5"
appears at the bottom of the display.
5. Connect the calibration signal between the rear panel CAL out
terminal and the Channel1 input.
6. Press F5. The calibration automatically starts.
7. The Channel1 calibration will complete in less than 5 minutes.
8. When finished, connect the calibration signal to the Channel 2 input
and repeat the procedure.
9. When the calibration is complete the display will go back to the
previous state.
7.2

Probe Compensation

Procedure
1. Connect the probe between the Channel1 input and the probe
compensation output (2Vp-p, 1kHz square wave) on the front panel.
Set the probe voltage attenuation to x10.
2. Press the Utility key.
Page 97 11-2011