Lcd Screen Backlight; Lcd Screen Contrast; An Acoustic Chameleon - Larson Davis System 824 Training Manual

LCD Screen Backlight

LCD Screen Contrast

An Acoustic Chameleon

*Even if you didn't purchase some of
the options, demo versions are pro-
vided of all of the optional virtual
instruments.
4/19/01
You can toggle the screen's backlight on and off by pressing

the right arrow key .
The screen contrast can be adjusted by continuous presses of

or . Contrast is expressed as a number between 0
and 100. You will find a value between 64 and 70 to be opti-
mal.
Press to exit the PWR screen
The 824 is a quick-change artist and can be configured many
different ways. Depending on the options* that you pur-
chased the 824 could have the following instruments:
• ISM - Integrating sound level meter
• SSA - Sound spectrum analyzer
• LOG - Logging sound level meter
• RTA - Real-time analyzer
• FFT - Fast Fourier transform analyzer
• AUD - Audiometer calibration system
• TAL - Tonality analyzer
824 "Quick Start" 1-3