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Legend / Label
Button
Description
F10 / Aud(iometry)
Selects Audiometry mode (Available in Version 3 & Version 4
only). When in Audiometry, this button starts the Auto HL
when held for 3 seconds.
F11 / Headphone
Selects the DD45 calibration files for transducers.
When the
button is pressed, the display will flash to
ensure that the user wants to change the transducer
selection. The
button must be pressed again to
engage the DD45 headphone calibration file. The
symbol is shown on the center of the display if selected
F12 / Insert
Selects the insert earphone calibration file for transducers.
When the
button is pressed, the display will flash to
ensure that the user wants to change the transducer
selection. The
button must be pressed again to
engage the insert earphone calibration file. The symbol
is shown on the center of the display if selected.
F13 and F14 / Decrease
and Increase Frequency
Selecting advances the presentation tone to the next
lower frequency; selecting
advances the presentation
tone to the next higher frequency.
F15 / Steady
Used during Audiometry mode to select a continuous test
tone when Present Bar is depressed; the steady symbol
appears on the display.
F16 / Pulsed
Used during Audiometry mode to select a pulsed tone when
the Present Bar is depressed; the pulsed symbol appears on
the display.
F17 / FM
FM
Used during Audiometry mode to select a frequency
modulated test tone when the Present Bar is depressed; the
letters FM appears on the display when selected.
F18 / R
R
Used to indicate the right ear is the ear data stored in
memory and/or printed is properly identified as right.
Versions 3 and 4, used to select right earphone for
audiometry. An R will appear on the LCD.
