Please note: To use the Sound Level, Sound Sensor, and Scope Mode for GLX's with firmware versions earlier than version 1.10 (see GLX splash screen), upgrade the GLX with the latest firmware.

1. Turn on the GLX.


2. Select F4 or Navigate to the Sensors Icon.


3. Select F3 (Microphone) and activate the Sound Sensor using the up and down arrows and the check buttons.


4. Return to the Main Menu using the "House" button.


5. Select F1 or navigate to the Graph Icon.


6. Select F4 and activate the Scope Mode using the up and down arrows and the check buttons.

OPTIONAL DOWNLOADS for "Sound Frequency with the GLX":

• Microsoft Word files (optional):
  Windows (Zip file) or Macintosh (Stuffit file).