Console
The console provides the user interface operational control inputs, the metric indicator inform-
ation, and the console-to-base communication interface. The console
Upper PCA
1
board
(
UPCA
2
) sends the input control commands to the base Lower
PCA
3
board (LPCA). The con-
sole also receives error code data from the base which is used to maintain the Error Log ser-
vice menu. The console also controls and sends the
ASL
4
status state (based on the received
error codes) to the base.
The LPCA makes use of two main processors: the Master (also referred to interchangeably as
“Major”) and Slave (also as “Minor”).
Base
1
Upper printed circuit assembly; generally refers to the console.
2
Upper PCA board
3
Printed circuit assembly, generally referred to as either an upper PCA or lower PCA.
4
Active Status Light: Service and maintenance status light.
Contact Precor Customer Support at support@precor.com or 800.786.8404 with
any questions.
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9 Theory of Operation
System Component Overview
