User manual
4180, 4181 Precision Infrared Calibrator
Symbols Used
2
4180
4180 IR Calibrator
L
Report of Calibration
L
Power Cord
L
User’s Guide
L
Documentation CD
L
Target Cover
L
Serial Cable
L
4181
4181 IR Calibrator
L
Report of Calibration
L
Power Cord
L
User’s Guide
L
Documentation CD
L
Serial Cable
L
If all items are not present, contact an Authorized Service Center (see Section 1.6
Authorized Service Centers on page 7).
Symbols Used1.3
Table 1 lists the International Electrical Symbols. Some or all of these symbols may be
used on the instrument or in this guide.
Symbols usedTable 1
Symbol Description
AC (Alternating Current)
AC-DC
Battery
Complies with European Union directives
DC










