Section 3: Functions and features Series 2280 Precision DC Power Supply Reference Manual
3-4 077085503 / March 2019
Adjusting the scale and offset of the Y-axis
You can adjust the scale and offset of Y-axis automatically or manually. When auto adjustment is
enabled, the instrument automatically changes the scale and offset of Y-axis according to current and
voltage measurements.
To set the auto adjustment on the front panel:
1. Press the MENU key.
2. Under Views, select Graph.
3. Select the button next to I Auto Adjust or V Auto Adjust and press ENTER.
4. Select On to enable auto adjustment.
The following figure shows an example with the auto adjustment enabled. In this example, a 300
Ω resistor is connected to the front bonding posts, and the voltage is set to 30 V and current limit is
set to 3 A.
Figure 56: Graph auto adjustment
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