Cirrus Research CR:811C User Manual

CR:800C Series Sound Level Meter User Manual
Page 39
Key Press Display Comments
Select the required Time
Weighting and press OK to select.
The currently selected Time
Weighting is indicated by a tick.
Press Exit to return to the main
display.
The Time Weighting applies to the following parameters:
Broadband Mode
L
AF
,L
AS
,L
AI
,L
CF
,L
CS
,L
CI
,L
ZF
,L
ZS
or L
ZI
(not stored)
L
AFmax
,L
ASmax
,L
AImax
,L
CFmax
,L
CSmax
,L
CImax
,L
ZFmax
,L
ZSmax
or L
ZImax
L
AFmin
,L
ASmin
,L
AImin
,L
CFmin
,L
CSmin
,L
CImin
,L
ZFmin
,L
ZSmin
or L
ZImin
L
0.1
to L
99.9
(five simultaneous user-selected values available)
The L
n
’s or Statistical parameters are calculated from Sound Level. Therefore, if the
Time Weighting is set to Fast, the L
n
’s will be calculated from L
AF
.
1:1 Octave Band Mode
Filtered L
ZS
,L
ZF
or L
Z
I (not stored)
1:3 Octave Band Mode
Filtered L
ZS
,L
ZF
or L
Z
I (not stored)
Frequency Weighting
The Frequency Weighting of the instrument can be set to either A, C or Z. To set the
Frequency Weighting, select the required option from the menu:
Key Press Display Comments

Cirrus Research CR:811C Specifications

General

Brand	Cirrus Research
Model	CR:811C
Category	Measuring Instruments
Language	English