Welch Allyn TM286 Auto Tymp - User Manual User Manual

Page 21

Directions for Use

Operation

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