The following symbols in this manual indicate the relative impor-
tance of cautions and warnings.
Indicates that incorrect operation presents
an extreme hazard that could result in seri-
ous injury or death to the user.
Indicates that incorrect operation presents a
significant hazard that could result in serious
injury or death to the user.
Indicates that incorrect operation presents a
possibility of injury to the user or damage to
the instrument.
Indicates advisory items related to perfor-
mance or correct operation of the instru-
ment.