Acterna OLS-55/-56 3
1 INTRODUCTION
DANGER
High Voltage
Follow the instructions carefully to
avoid damage or severe injury!
This safety instruction is given when
high voltage causes the danger
WARNING
Laser
Follow the instructions carefully to
avoid damage or injury!
This safety instruction is given when
laser radiation causes the danger.
Additional information is given to
specify the laser class.
! Very important instruction
Follow carefully the advice, e.g.
! Make sure that you protect yourself
and others from exposure to laser
light.
✓ Requirement
This requirement has to be checked
first, e.g.
✓ The system is switched on
⇒ Instruction
Here is your input requested, e.g.:
⇒ Select mode
italics type
face
Result
Result following an action, e.g.
The page opens.
bold type
face
Keys and display elements
Keys and display elements are
marked in bold type face.
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