Symbols In This Manual I-Viii; Symbols As Marked On Equipment I -Viii; Power Source - Tektronix 2642A Reference

Operator's Safety Summary
X
Symbols in this Manual
WARNING
This symbol indicates where applicable caution-
ary
or other information is to be found. For max-
imum input voltage see Section 1.
To assure operator protection, do not exceed
±300 mA peak or ±1.2V relative to chassis
ground or any other inputs, into the outside
shell of the BNC connectors. Exceeding this
current/voltage could cause damage to the
in-
strument and create a potential operator hazard.
See Section
1.
Symbols as Marked on Equipment
DANGER-High Voltage
Protective ground (earth) terminal
A T1ENTION-Refer
to
manual
Power Source
This product is intended to operate from a power source that does not
apply more than 250 volts rms between the supply conductors or be-
tween either supply conductor and ground. A protective ground connec-
tion by way of the grounding conductor in the power cord is essential
for safe operation.