2-1
2. Unit Description
2.1. Front Panel
Figure 2.1: Instrument Front Panel
CLEAR: Restarts the APS operating program without changing user-
selected parameter settings or breaking port connections.
ON: Lights when AC Power is applied.
SET: Used to Initialize the APS to factory defaults. To initialize, press
and hold both the SET and CLEAR buttons, release only the CLEAR
button, and then release the SET button.
Notes:
• During initialization, all port LEDs will flash ON for approximately
one half second.
• During initialization, all command-selected parameters will be
cleared, and the APS will revert to default parameters.
RDY: Flashes to indicate unit is operational.
ACTIVITY LEDs: Light when corresponding port is receiving data.