Keithley 2230 Series Quick Start Manual page 20

Example of setting up CH1/CH2 tracking mode:
1. Press the CH1 key.
2. Press the V-Set key and enter the voltage value for
channel 1. For example, set the voltage of channel 1
to 3 V.
3. Press the Enter key.
4. Press the CH2 key.
5. Press the V-Set key and enter the voltage that sets the
ratio you want maintain for channel 2. For example, set
the voltage of channel 2 to 6 V. The ratio is 2.
6. Press the Enter key.
7. Press the Menu key.
8. Use the down arrow key to go to Track, and then
press the Enter key.
9. Press the down arrow key to select Track CH1/CH2
and then press the Enter key to turn on tracking.
10. Verify that T is displayed between the voltage readings of
channel 1 and channel 2 on the display. This
indicates that the power supply is in tracking mode.
To disable the tracking function:
1. Press the Menu key.
2. Use the arrow keys to select Track.
3. Press the Enter key.
4. Use the arrow keys to select Track Off (default).
5. Press the Enter key.
NOTE
If the voltage or current is set to 0, voltage or current tracking
is ignored.
If tracking is enabled and CH1 and CH2 timers are both set,
the timer uses the smaller set value.