Page 31
Frequency Weighting [FREQ WGT]
Om model ‘L’ instruments the frequency weighting of the instrument can only be
changed if the instrument has the User Mode set to ALL. See
User Mode
for
further details.
Channel 1 is always ON and fixed to ‘A’ Weighting.
Channel 2 can either be ‘A’, ‘C’ or ‘Z’ weighted and can be switched OFF either by
User Mode selection or selecting only ‘A’ weighting.
In the
SETUP
display screen use the
arrow keys as required until the
following is displayed: -
Press
and the instrument will display the currently selected Frequency
Weighting, indicated with an asterisk *.
Scroll through the available options using the
arrow keys: -
Display
Description
A
Channel 1 = ‘A’ Frequency Weighting
A, A
Channel 1 = ‘A’ Frequency Weighting
Channel 2 = ‘A’ Frequency Weighting
A, C
Channel 1 = ‘A’ Frequency Weighting
Channel 2 = ‘C’ Frequency Weighting
A, Z
Channel 1 = ‘A’ Frequency Weighting
Channel 2 = ‘Z’ (LIN) Frequency Weighting
Press
to confirm a change and the instrument will briefly display: -
Or press
to cancel and return to the Sound Pressure Level display screen.
If the frequency weighting is selected for Channel ‘A’ only then Channel 2 is OFF.
No parameters will be available, displayed or recorded for Channel 2.
C
OK
OK
FREQ WGT
A, C*
DONE
