Model 3411-B Advanced Control Unit v
CONVENTIONS USED IN THIS MANUAL
Throughout this manual, symbols and special formatting are used to
reveal the purpose of the text as follows:
WARNING
Indicates conditions or procedures that, if not followed
correctly, may cause personal injury.
CAUTION
Indicates conditions or procedures that, if not followed
correctly, may cause equipment damage.
NOTE
Indicates important information that must be read to
ensure proper operation.
〈Key〉 Angle brackets and a different typestyle indicate a
key or character (number or letter) to press on the
ACU keypad. For example, “Press 〈STD〉” means
to press the key labeled STD.
Display A different typestyle is used in text to indicate
information or messages displayed on the ACU.
DISPLAY- Shading
& typestyle used
to simulate ACU
display.*
♦ Diamonds indicate a list of things needed (such as
equipment) or things to know.
Check marks indicate the performance of an action.
With lists of check marks, follow the instructions in
the order of the check marks.
Triangles indicate that more than one option is
available. Carefully select the option that applies.
* The ACU is equipped with a two-line backlit display.