11/8/00 AUD (Optional) 12-15
Pulse/FM Check Menu
While in either the Pulse/FM-a screen or Pulse/FM-b screen
the check menu can be accessed by pressing the check key

.
The check menu is shown below:
The check menu allows you to change the gain. The gain
choices available are:
• -20, -10, +0, +10, +20 , +30, +40, +50
See page C-13 of Appendix C for a
table showing the response of the A-
weight and C-weight high pass fil-
ters.
You can also select a high pass A or C weight or flat filter.
Using these filters will help reject low frequency noise com-
ing into the coupler. The following menu choices are avail-
able:
•A-weight (A)
• C-weight (C)
• Flat (FLT)