Index – Casella CEL CEL-281 User Manual
Page 146

RUN
Blinking Indicates
Logging Paused
42
Displayed
Continuously Indicates
Logging
42
RUN display legend
(Logging/Waiting to
Log)
34
Run/Pause Key
Functions
42
S Slow Time Weighting
(1 s)
6, 33
Sampling Time >300
Samples/second
27
Screws
Instrument
Rear Cover (4 off)
116
Interface Cable
Cover (4 off)
109
Second Action Level
3.5 Pa2h equivalent
to 90 dB(A) for
8 hours
18
SET Key Command
Allows Time/Date
to be Set
52
Shift Keys
Supplement
Operation of Other
Keys
37
Simultaneous Operation
of Keys
Explanation
38
Sound Energy
Explanation
17
Sound Exposure
Explanation
16
Typical Level Display 88
Sound Level Meter
Use As
87
Specification
121
SPL Sound Pressure
Level (dB)
43
Standard Printer Formats 109
Start/Stop Times
Identification
53
Limitations
74
Operation Together
With Pause &
Stop Keys
53
Setting
74
STOP Key Command
Stops Data Logging
Immediately
41
Stop/Batt/Cal Key
Functions
40
Switches
ON/OFF
62
TC=? display legend
(Time Constant)
33
Technical Description
30
Thr display legend
(Current Threshold
Level)
34
Threshold
Explanation
19
Threshold Key
Functions
56
Use in Dose
Measurement
93, 105
Use in Noise
Measurement
90
Time
Setting Clock
71
TIME display legend
(Time Information) 32
Time Information
Finding Amount
Spent Above
Specified Level
106
Obtaining
93
Operational Area
29
Reference
Page
Reference
Page
CEL-281 Operator's Handbook - Page 137
Index