
15
NB
: The tester supplied with the Saphyr SP processor has a translucent yellow light while the
tester supplied with the Saphyr CX includes a green light.
Earphones
The Saphyr processor is fitted with an earphone socket so that a person without defective hearing
can hear the audio signals entering the processor. This is useful for diagnosing problems with the
microphone (microphone inlet obstructed, faulty microphone).
This test tool is used as follows:
• Turn off the processor
• Gently plug in the earphones to the auxiliary socket marked "AUX" on your processor, making
sure it is connected the right way round
• Switch on the processor to your usual program to check the sound quality perceived
• After use, turn off the processor again before disconnecting the earphones.
NB
: There is a risk of the Larsen effect if the earphones are too close to the microphone. The sound
level perceived by a third hearing person using the earphones is not representative of that sensed
by the patient.
2 - PROBLEMS AND SOLUTIONS
The combined use of different test tools and the application of the advice below will enable you
to solve any problems encountered. If the problem persists, we recommend that you contact your
implantation centre, your local distributor or the Neurelec after sales service.
No sound perceived
1 - Check the condition of the processor (correct connection of the antenna lead, battery
compartment closed, position of the wheel and selector)
2 - Change the two batteries
3 - Check the microphone quality using the earphones
4 - Check that the antenna lead and the antenna are functioning properly by using the tester
5 - Change the antenna lead or the antenna
6 - Contact your implantation centre, your local distributor or the Neurelec after sales service.
Intermittent sound
1 - Check that the position of the wheel and the program choice have been adjusted
to the sound conditions
2 - Change the two batteries
3 - Check that the maintenance advice has been respected (see page 12)
4 - Check the condition of the antenna lead and the antenna by using the tester
5 - Contact your implantation centre, your local distributor or the Neurelec after sales service.
Reduced or distorted sound
1 - Check that the position of the wheel and the program choice have been adjusted
to the sound conditions
2 - Try another program
3 - Change the batteries
4 - Check the microphone quality using the earphones
5 - Contact your implantation centre, your local distributor or the Neurelec after sales service.
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