2-1
2. Unit Description
2.1. Front Panel
Figure 2.1: Instrument Front Panel (Model APS-8M)
CLEAR: Restarts the APS-8/16M 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-8/16M 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 fl ash 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 when unit is ready to receive commands.
DCD: (APS-16M Only) Lights when Data Carrier Detect signal is
present.
ACTIVITY LEDs: Light when corresponding port is receiving data.
Note that the APS-8M includes eight Activity LEDs and the APS-16M
includes sixteen Activity LEDs.
Figure 2.2: Instrument Front Panel (Model APS-16M)