11/8/00 AUD (Optional) 12-3
SLM+RTA Mode
In the SLM+RTA mode, the 824 can be used for the follow-
ing measurements:
• frequency
• linearity
• crosstalk
This mode consists of two screens: the SLM+RTA Live
screen and the Any Level-a screen.
SLM+RTA Live screen
This is the default screen for the AudTest.AUD setup. To
access this display, press the VIEW key

, then select the
SLM/RTA with the up/down arrows

and press the
check key

.
To measure the level in dB (re. 20 micropascals), place the
cursor on the frequency of interest and read the frequency
and value on the left hand side of the screen. Levels must be
corrected by using coupler/earphone RETSPLs and micro-
phone or other such corrections to arrive at the dB HL value.
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