Tektronix TAS 250 User Manual

TAS 200 Series Performance Verification
Bench Test Instruments and Handheld Oscilloscopes Basic Service
19
Cursor Check
The following checks verify the cursor accuracy of your oscilloscope.
To check cursor ∆T measurement accuracy, implement the following steps.
1. Set up the oscilloscope as follows:
VERTICAL MODE CH1 (CH2)
HORIZONTAL SEC/DIV 1 ms
2. Press and hold the oscilloscope CURSOR ON/OFF push switch to activate
the cursors.
3. If not already displayed, press and hold the ∆V/∆T1/∆T push switch until
two vertical cursors appear on the display.
4. Toggle the TRACKING ◊ -- O
(REF)
switchtoselectonlythe◊ cursor.
5. Position the ◊ cursor 4 divisions to the left of the display vertical center with
the CURSOR POSITION switch.
6. Toggle the TRACKING ◊ -- O
(REF)
push switch to select only the O cursor.
7. Position the O cursor 4 divisions to the right of the display vertical center
with the CURSOR POSITION switch.
8. Verify that the ∆T readout at the top-left corner of the display reads between
7.72 and 8.28 ms.
9. Set the VERTICAL MODE switch to CH2 and repeat steps 4 through 8 for
CH 2.
To check cursor ∆V measurement accuracy, implement the following steps.
1. Set up the oscilloscope as follows:
VERTICAL MODE CH1 (CH2)
VERTICAL VOLTS/DIV 1 V
2. Press and hold the oscilloscope ∆V/∆T1/∆T push switch until two
horizontal cursors appear on the display.
3. Toggle the TRACKING ◊ -- O
(REF)
switchtoselectonlythe◊ cursor.
4. Position the ◊ cursor 3 divisions above the display horizontal center with the
CURSOR POSITION switch.
5. Toggle the TRACKING ◊ -- O
(REF)
push switch to select only the O cursor.
∆T Measurement
Accuracy
∆V Measurement
Accuracy

Tektronix TAS 250 Specifications

General

Brand	Tektronix
Model	TAS 250
Category	Test Equipment
Language	English