Series 2280 Precision DC Power Supply Reference Manual
Section 3: Functions and features
077085503 / March 2019
3-5
To set the manual adjustment on the front panel:
1. Press the
MENU
key.
2. Under Views, select
Graph
.
3. Select the button next to
I Manual Adjust
or
V Manual Adjust
and press
ENTER
.
4. Press the
Scale
soft key. The scale screen is displayed.
5. Enter a value for scale. There are seven divisions on the Y-axis. The minimum value for current
scale is 10 µA. The minimum value for voltage scale is 100 µV.
6. Press the
Offset
soft key. The offset screen is displayed.
7. Enter a value for offset. For details, refer to the following table.
Model number
Current offset
Voltage offset
2280S-32-6
–6.1 A to 6.1 A
–32 V to 32 V
2280S-60-3
–3.3 A to 3.3 A
–60 V to 60 V
Before configuring the scale or offset, make sure the auto adjustment is disabled. Otherwise, you
cannot change these settings.
Output delay, slew rate, and source delay
The following delays occur when you turn on the output and source a specified voltage and current to
device under test (DUT):
Output delay:
The delay that the instrument waits before enabling and disabling the specified
output.
Slew rate:
The rate of change of output voltage per unit of time.
Source delay:
The delay between when the source reaches the V
set
value and when the
measurement is made.
Figure 57: Series 2280 output delay, slew rate, and source delay
