Maico MA 28 User manual

MA 28 –Quick Guide
8507409 Rev. 2
1 of 2
11/05/2020
1 ABOUT THIS QUICK GUIDE
This Quick Guide is not meant to replace the operation manual. Reading the entire operation manual prior
to operating the device is mandatory!
Some of the following functions may vary by the individual settings made.
2 POWER ON AND OFF
✓The MA28 is powered by a power supply connected within the cover of the unit.
✓Briefly press the Power button on the front of the MA 28 to turn on the device.
✓The device can be shut down by pressing and holding the Power button until the unit turns off.
3 DEVICE OPERATION
The audiometer is operated by the 12 buttons/dials on the front of the audiometer with device setup viewable from
the display screen.
1
Power
Turning the device on/off.
2
Microphone
Port
To use the talk forward function.
3
TF (Talk
Forward)
Press and release to activate talk forward function. Increase/decrease the volume by
rotating one of the level dials. To turn off talk forward, press and release TF.
4
Store
NR (No
Response)
Press and release to store result.
Press and hold to display a No Response result.
5
Hz (+/-)
Press + to increase the frequency (Hz).
Press –to decreasethefrequency (Hz).
6
Hearing
Level dB
Turns the volume of the tone to be presented up/down.
7
Tone Switch
Presenter mode: Press to present the signal.
Interrupter mode: Press to stop the signal/interrupt the signal being presented.
A tone presentation signal (i.e. ) will display when the signal is ‘On’ to the patient.
8
Masking
Level dB
Turns on the masking/noise signal by rotating the wheel to the right. Once on, turns the
masking/noise signal up/down. Turn off the noise by rotating the wheel to the left until the
right side no longer displays a number.
9
Function Keys
These keys (F1 to F4) are dependent upon the label displayed on the display screen. See next
page for more details.
8
6
3
5
2
1
9
4
7

MA 28 –Quick Guide
8507409 Rev. 2
2 of 2
11/05/2020
Explanation of the Function Keys (F1-F4)
Menu
screen
Function
Button
Label
Description
1st menu
screen
F1
Air
Bone
Selection between Air or Bone conduction transducer.
F2
Right
Left
Selection between Right or Left ear
F3
Steady
Pulse
Warble
P&W
Type of signal presented. Options include Steady, Pulse, Warble, Pulse
and Warble (P&W).
F4
More
To move to the 2nd menu screen.
2nd menu
screen
F1
Del
To deletesinglestored measurement. Set device with the ear, testtype and
frequency to delete the measurement.
F2
New
To delete all stored results for starting a new test.
F3
Print
To print test results. (Optional printer required)
F4
More
To move to the 3rd menu screen.
3rd menu
screen
F1
HW
Activates Hughson-Westlake automatic air conduction threshold test.
F2
Save DB
To save results to internal database.
F3
View DB
To view results saved to the internal database.
F4
More
To move to the 4th menu screen.
4th menu
screen
F1
-
No function
F2
-
No function
F3
Menu
To move to Settings menu.
F4
Back
Returns the function key selection to the 1st menu screen.
4 TEST PREPARATION
Step 1: Preparing the patient for a test
✓Put the patient at ease and instruct on the test procedure:
“I’m going to place these headphones on your ears. You will hear some beeping sounds. Press the patient
response switch (or raise your hand) as soon as you hear the beep, even if it is very soft.”
✓Have the patient sit at an angle with his/her back to the tester/audiometer, so that the patient cannot see
the adjustments made on the audiometer.
Step 2: Place the headphones on the patient
✓Place the headphones on the patient with the RED phone on the RIGHT ear and the BLUE phone on the
LEFT ear. Make sure the headband sits snuggly on the crown of the head and the earphones are centered
over both ears.
Step 3: Familiarize the patient with the test procedure
✓Familiarization with the test procedure is recommended prior to starting the actual test. This is typically done
by starting in the better hearing ear at 1000 Hz or higher and at an elevated level (i.e. dB HL).on with the
test procedure is recommended prior to starting the actual test. level (i.e. dB HL).
5 MANAGING TEST RESULTS
There are three options to manage test results stored on the device:
•Save results to the internal database.
•Print results (optional printer required)
•Transfer result to the PC software (optional MAICO Sessions software required).
For further information ask your local distributor or MAICO Diagnostics GmbH, Sickingenstr. 70-71, 10553 Berlin, Germany
Tel.:[phone] • Fax: [phone] • E-mail: [email protected] • Internet: www.maico.biz