Back Panel Controls

1. POSITION FOR OPTIONAL REMOTE OUTPUT JACKS: Optional rear panel output jacks.
2. FUSE RECEPTACLE: To change the fuse unplug the power (mains) cord and turn the fuse cap counter clockwise to remove the fuse.
3. INPUT POWER RECEPTACLE: Standard IEC 320 connector for connection to a standard NEMA style line power (mains) cord.
4. INPUT POWER SWITCH : : Line voltage selection is set by the position of the switch. In the left position, it is set for 115-volt operation, in the right position it is set for 230-volt operation.
5. THERMAL FAN: To cool the instrument.
6. CHASSIS GROUND (EARTH) TERMINAL: This safety terminal should be connected to a good earth ground before operation.
7. CALIBRATION ENABLE KEY: To enter the calibration mode press this key while the instrument is being powered ON.
8. REMOTE INPUT: 9 pin D subminiature male connector for remote control of test, reset, and interlock functions as well as remote memory tests selection.
9. REMOTE OUTPUT: 9 pin D subminiature female connector for monitoring PASS, FAIL, and PROCESSING output relay signals.