HEIDENHAIN ND 1300 OED and Crosshair Systems - Manual (Page 5)

Conventions & Terms
QC-300 refers to any of the QC-300 series of instruments. System refers to the QC-300 and the measuring
devices connected to it.
Icons
This guide uses the following icons to highlight information:
WARNINGS
The raised hand icon warns of a situation or condition that can lead to personal injury
or death. Do not proceed until the warning is read and thoroughly understood.
DANGEROUS VOLTAGE
The lightning icon warns of the presence of an uninsulated dangerous voltage within
the product enclosure that might be of sufficient magnetude to cause serious shocks or
death. Do not open the enclosure unless you are a qualified service person approved
by Metronics, Inc., and never open the enclosure while power is connected.
CAUTIONS & IMPORTANT INFORMATION
The exclamation point icon indicates important information regarding equipment
operation or maintentance, or a situation or condition that can lead to equipment
malfunction or damage. Do not proceed until the information is read and thoroughly
understood.
NOTE
The note icon indicates additional or supplementary information about an activity or
concept.
Safety & Maintenance Considerations
General safety precautions must be followed when operating the system. Failure to observe these precau-
tions could result in damage to the equipment, or injury to personnel.
It is understood that safety rules within individual companies vary. If a conflict exists between the material
contained in this guide and the rules of a company using this system, the more stringent rules should take
precedence.
Safety information is also included on the next page and in Chapter 2: Installation.