Progressive International Electronics PCXZ - Manual (Page 7)

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PCXZ
EXPLANATION OF DOCUMENT STANDARDS
The following documentation standards are applied throughout this document.
I
Comments are noted in italics.
X
Variable data formats are represented by X(s).
Electrical hazards and other warnings are indicated with this caution sign.
These abbreviations are used.
DBox Distribution box — either dispenser manufacturer’s or Progressive International
Electronics’
MPD Multiple product dispenser
PC Personal computer
PCXZ PIE’s Fuel Control System (referred to as PIE Product in diagrams)
PIE Progressive International Electronics, Inc.
POS Point of sale terminal
SPD Single product dispenser