92
93
MALFUNCTIONS
CAUSE
POSSIBLE SOLUTIONS
Device is not
working, you
can’t hear any
sound.
Battery is not inserted
properly
Insert the battery ensuring correct polarity
Battery level is low
Replace it with a new battery
Battery is not con-
nected properly
Clean the contacts or raise them with
tweezers
Headset damaged or
presence of earwax
Clean or replace it with a new one
Volume is low
Headset damaged or
presence of earwax
Clean or replace it with a new one
Hearing drop, loss
Contact your professional hearing specialist
The sound is
intermittent
Possible humidity
Open the battery compartment and leave it
open 24 hours to let the moisture evaporate.
Unit is defect
Call our service center
You can hear a
whistle (Larsen
effect)
Fault
Power cycle unit
Volume is too high
Reduce the volume
Earbuds size is wrong
Find proper fitting earbuds. Keep in mind that
they need to cover the majority of the ear canal.
Turn it on and increase the volume gradually.
Summary of Contents for Digital AIR 3D
Page 1: ...MANUALE USO E MANUTENZIONE USE AND MAINTENANCE MANUAL...
Page 12: ...12 IT...
Page 14: ...14 IT 101 Codici analoghi Digital PRO 3D 104...
Page 26: ...26 IT Contenuto della confezione...
Page 40: ...40 IT 100...
Page 52: ...52 IT Contenuto della confezione...
Page 80: ...80 IT Contenuto della confezione...
Page 100: ...100...
Page 102: ...102 101 Other codes Digital PRO 3D 104...
Page 114: ...114 Content of the package...
Page 125: ...125 To turn off the unit open the battery compartment door At the end of use remove the device...
Page 128: ...128 100...
Page 140: ...140 Content of the package...
Page 166: ...166 Content of the package...
Page 172: ...172 To turn off the unit open the battery compartment door At the end of use remove the device...
Page 178: ......
Page 179: ......