NARDA NBM-550 - Terminology

1 Useful information
6 NBM-550 Narda
Symbols and marks used in this document
Terminology
! Important instruction
Indicates an instruction that must be followed to avoid
danger.
✓ Requirement
Indicates a requirement that must be met before the next
instruction can be carried out, e.g.
✓ The instrument is switched off.
 Instruction
Indicates a single instruction, e.g.
 Switch the instrument on.
1.
2.
3.
Sequence of instructions
Indicates a sequence of instructions that must be carried
out in the order given.
 Result
Indicates the result of carrying out an instruction, e.g.
 The instrument starts a self test.
Bold type Control element
Indicates a control element on the instrument, e.g.
 Press the ENTER key.
CAPITALS Menu name
Indicates a menu name, e.g.
 Open the MAIN menu.
Item Meaning
Battery Rechargeable battery
Dry battery Non-rechargeable battery