Fire-Lite PRN-6 Reference-Manual - Manual (Page 7)

Explanation of symbols Notes on the symbols used:
● Texts marked with this dot describe operations which must be performed in
the given order.
■ This mark indicates a list.
Text sequences marked by this symbol must be noted and observed under
all circumstances since any misuse could injure the operator or damage
the equipment.
This symbol marks important information and notes.
STOP
Introduction
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