Agilent Technologies 1660A Series User Reference page 55

Using the Front-Panel Interface
How to Enter Numeric Data
Press the
3 Up/Down arrow
field, then press the Select
Press the arrow keys or turn the knob to set the units assignment field
4
to V or mV as shown below.
Units Assignment field
Enter a value using the Hex keypad. If you want a negative threshold
5
voltage, press the ± key on the front panel.
To close the numeric assignment field, press the
6
3–20
keys or turn the knob to highlight the User
key.
Units assignment
or keys.
Select Done