Functional Features; Front Board - Electronica Technologies 9910 Manual For Use

ELECTRONICA-Technologies

4. Functional features

4.1.

Front board

2
5
1
1: Power on/off key.
2: Power signal
3: Sound output - pulsed or continuous
4: Hearing level display screen.
5: Hearing level decrements key.
6: Hearing level increments key.
7: Frequency display screen.
8: Frequency decrements key.
9: Frequency increments key.
10: Left-side sound delivery key.
11: Right-side sound delivery key.
The key "1" enables to start or to stop the equipment. The LED "2" indicates the operating
status. When switched-off stopped, the unit doesn't consume any current except when the
option is installed the energy required to recharge the battery.
The button "3" enables, by successive pushes, to select the sound mode.

The pulsed sound mode enables the generation of an intermittent sound (sound:
150 ms – silence: 250 ms - approximately). The symbol on the display
reminds that the pulsed mode has been selected.

The continuous sound mode generates a continuous tone, without interruption.
No icon is displayed on the frequency display.
Audiometer 9910
Rev. January 2017
4
6
10
8
8
11
8
Version EN1_H
Series 9000 AUDIOMETERS
7
9
3
Page 22