6
D-0115687-C (OM008) – 170 Operating Manual
3 Using the Audiometer
3.1 Switching the audiometer on and off
Press and briefly hold the switch marked (located on the back panel).
No warm-up time is required. The display will briefly show the model and
the type of headphone currently in use.
The display will then be similar to that shown in Section 3.3.
To switch off, press and hold the MENU key followed by the YES (RIGHT)
key and then release both.
3.2 Testing the patient response switch
Press the patient response switch and the light labelled RESPONSE
(above and to the right of the display) will illuminate green.
3.3 Audiometer display
On start-up the display will show the following default setting:-
SIGNAL dBHL FREQUENCY Hz
This indicates that when the PRESENT key is pressed, a tone will be
presented at 30dBHL at a frequency of 1kHz (1000Hz) to the indicated
ear. On start up the audiometer defaults to the left ear.
3.4 Audiometer controls
3.4.1 Multifunction Keys
Several keys on the audiometer have different functions depending on the
actual mode of operation. These are MENU (OFF), PRINT (RESET),
LEFT (NO), RIGHT (YES), AUTO (RESULTS) and FREQUENCY
(MENU SELECT). The use of these keys is described below.
To Next Page
Loading...
