3.
CHANGING
TEST
MODES
WARNING:
LOCATE A SUITABLE TESTING AREA WITH A THREE-PRONG, GROUNDED OUTLET. BE
SURE THAT THE THREE PRONG GROUNDED OUTLET HAS BEEN TESTED FOR PROPER WIRING. MAKE SURE YOU
READ THE SAFETY CHECKLIST OF THIS GUIDE BEFORE USING THE INSTRUMENT.
The 400XAC includes two test modes that change the way in which the AC power source
operates. PROGRAM mode allows the operator to configure and run a test using steps and
memory locations within the AC power source’s menu. PROGRAM mode is designed for
advanced testing applications. MANUAL mode doesn’t utilize steps and memories, allowing
the operator to quickly run a test with basic test parameters.
1.Turn the instrument power switch ON.
2. From the Set screen, press the “<more>” soft key and press SYSTEM in the next screen.
3. In the System Parameters Menu, use the up or down arrow soft keys to highlight the
AUTO RUN parameter. Press EDIT to change the parameter.
4. Press CHANGE to toggle the parameter between PROGRAM and MANUAL mode. Press
ENTER to save changes and then press EXIT to return to the Set screen.
When the AUTO RUN parameter is set to PROGRAM mode, the Set screen will be displayed
as follows: (See Figure 1)
When the AUTO RUN parameter is set to MANUAL mode, the Set screen will be displayed
as follows: (See Figure 2)
(Figure 1. System Parameters Menu)
(Figure 2. System Parameters Menu)
