
xiii
Contents
FOR SAFETY .................................................................................v
Outline ............................................................................................1
Controls and Functions ....................................................................5
Front view ..................................................................................5
Bottom view ..............................................................................8
Rear view ...................................................................................9
Preparations .................................................................................. 10
Power ....................................................................................... 10
Power on/off ............................................................................ 14
Windscreen (WS-10, WS-15, WS-16) ....................................... 16
Diffuse sound fi eld correction .................................................. 17
SD memory card and program cards ........................................ 18
Microphone extension cables (EC-04 series) ............................ 19
Tripod mounting ...................................................................... 21
Connection to a printer (DPU-414) ..........................................22
Connection to a level recorder (LR-07, LR-20A) and
data recorder (DA-20, DA-21, DA-40) ......................................24
Connection to a computer .......................................................25
Setting the date and time .........................................................26
Measurement in a dark location ...............................................27
Sub channel settings ................................................................29
Eco setting (Power-saving mode) .............................................32
Comparator output ...................................................................33
Language selection ..................................................................36
Calibration ....................................................................................37
Internal calibration (Electrical calibration) ..............................37
Acoustic calibration (with Sound Calibrator NC-75/NC-74 or
Pistonphone NC-72B/NC-72A) .................................................39
Reading the Display ...................................................................... 41
Measurement screen display .................................................... 41
Sub channel display screen ......................................................46
Summary of Contents for NL-42A
Page 2: ......
Page 4: ...ii...
Page 8: ...vi...
Page 10: ...viii...
Page 18: ...xvi...
Page 46: ...28 Preparations System screen Backlight LCD settings screen...
Page 153: ......
Page 154: ...No 66301 22 05...