Local Operation 49
4
Local Operation
Introduction
The “Operation Overview” chapter introduced you to the Electronic Load's features and capabilities and briefly described
how to control the unit locally from the front panel and remotely with a computer via the GPIB. This chapter describes in
greater detail how to operate the Electronic Load from the front panel. The following discussions are provided:
Front Panel Controls and Indicators
Local Control Overview
Using the FUNCTION Keys
Using the SYSTEM Keys
The Electronic Load can be programmed locally using the controls and indicators on the front panel. As shown in Figure 4-
1, the front panel's controls and indicators include a 12-segment LCD display and a keypad having three groups of keys
(SYSTEM, FUNCTION, and ENTRY). Table 4-1 gives a brief description of each control and indicator.
Figure 4-1. Front Panel
Table 4-1. Controls and Indicators
Item Description
1 Line Switch Turns the ac power on and off.
2 LCD Display Normally displays the actual voltage and current at that input (e.g. 10.09 and 0.99, respectively).
When programmed from the front panel, the function being programmed is displayed along with
the value (e.g. CURR 1.000).