Cirrus Research CR:811C User Manual

CR:800C Series Sound Level Meter User Manual
Page 38
required to suit the MK:224 and MK:216 Microphone capsules used by the CR:800C
Series.
To adjust the calibration level, select the Cal Level option from the setup menu.
Key Press Display Comments
Use the Up and Down arrows to
adjust the level and the Left and
Right arrow keys to move between
the numbers.
Press OK to accept the calibration
level.
Cirrus Research plc does not recommend the use of Acoustic Calibrators other than
those manufactured or supplied by Cirrus Research plc for use with the CR:800C
instruments.
Display Resolution
The display resolution of the CR:800C instruments can be set to be either 0.1dB or
0.01dB. For most applications, the 0.1dB resolution is suitable.
Key Press Display Comments
Use the Up and Down arrows keys
to select the display resolution
and press OK to select the
required display resolution.
Press Exit to return to the main
display.
Time Weighting
The Time Weighting of the instrument can be set to either Fast, Slow or Impulse. To set
the Time Weighting, select the Time Weighting option from the menu:

Cirrus Research CR:811C Specifications

General

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