Welch Allyn TM286, Directions For Use Manual

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Directions for Use Operation 17
F8 / M+
Save button; during Audiometry mode, saves threshold information per
frequency on the display; during Program mode, selects highlighted
option.
F9 / +10 dB
Used to temporarily extend the intensity range by 10 dB; a large + sign
appears on the display indicating that the extended range has been
selected.
F10 / Aud(iometry)
Selects Audiometry mode. When in Audiometry, this button starts the
Auto HL when held for 3 seconds.
F11 / Headphone
Selects the calibration file for external headset transducers. When the
button is pressed, the display will flash. Press the button again to
engage the external headset transducer. The symbol is shown on the
right side of the display when selected.
F12 / Insert
Selects internal earphone calibration file for transducers. When the
button
is pressed, the display will flash. Press the button
again to engage the internal earphone transducers. The symbol
is shown on the right side of the display when 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
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
Used to indicate the right ear is the test ear; so data stored in memory
and/or printed is properly identified. An
R will appear on the LCD.
F19 / L
Used to indicate the left ear is the test ear; so data stored in memory
and/or printed is properly identified. An
L will appear on the LCD.
F20 / Attenuator Knob
(dB HL)
Used to increase or decrease the intensity of the test tone presented in
Audiometry mode; counterclockwise rotation decreases the rotation;
clockwise rotation increases the intensity.
F21 / Present Bar In Audiometry mode, used to present test signal to appropriate
earphone; release to turn test tone off.
F22 / TYMP
Selects Tympanometry only mode.
Legend / Label Button Description
M +
+10dB
AUD
FM
R
L