SAFE USE
Use a slow twisting motion to remove the earphones. Never pull on the earphone cord.
Warning: If a sleeve becomes lodged in your ear, seek skilled
medical assistance to remove the sleeve. Damage to the ear may be caused by
Prior to inserting the earphone, always recheck the sleeve to make sure it is firmly attached to the nozzle.
Turn up the volume control only far enough to hear properly.
Ringing in the ears may indicate that the volume level is too high. Try lowering the volume.
If you connect these earphones to an airplane’s sound system,
listen at low levels so that loud messages from the pilot do not cause discomfort.
Have your ears checked by an audiologist on a regular basis. If
you experience wax buildup, discontinue use until an audiologist has examined your ears.
Stop using the earphones if they are causing great discomfort or infection.
FURNISHED ACCESSORIES
Level attenuator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . PA235 Carrying pouch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 95A2259 Fit Kit w/cleaning tool . . . . . . . . . . . . . . . . . . . . . . . . 90XJ1371 Triple flange sleeves . . . . . . . . . . . . . . . . . . . . . . . . . 90WX1371 Replacement nozzles . . . . . . . . . . . . . . . . . . . . . . . . 90XF1371 Plug adapter — 1/8” to 1/4” . . . . . . . . . . . . . . . . . . . PA234
REPLACEMENT PARTS
Bag of 20 foam sleeves . . . . . . . . . . . . . . . . . . . . . . . PA750 Bag of 500 foam sleeves . . . . . . . . . . . . . . . . . . . . . . PA754 Bag of 10 clear flex sleeves:
small . . . . . . . . . . . . . . . . PA756S medium . . . . . . . . . . . . . . PA756M large. . . . . . . . . . . . . . . . . PA756L
Bag of 10 soft flex sleeves:
small . . . . . . . . . . . . . . . . PA758S medium . . . . . . . . . . . . . . PA758M large. . . . . . . . . . . . . . . . . PA758L
TECHNICAL SPECIFICATIONS
Transducer type | Single balanced armature |
Sensitivity (at 1kHz) | 109 dB SPL/mW |
Impedance (at 1kHz) | 29 Ω |
Output connector | |
Cable length | 157 cm (62”) |
Net weight | 31 g (1.1 oz.) |
Operational temperature | |
Storage temperature |
CUSTOM EARPHONE SLEEVES
Those who use earphones regularly for extended periods of time often find
Ask a Hearing Health Care Professional about creating custom molded sleeves for your earphones. For more information, visit http://www.sensaphonics.com.
PA235 LEVEL ATTENUATOR
The PA235 provides you with volume control when you are connecting earphones to airplane seat outputs. It is intended only for airline use. It is not intended for use with other audio sources.
To use the PA235:
1.Connect the
2.Turn the PA235 volume down completely (toward – ).
3.Connect the PA235 to the
4.Insert the earphones into your ears (see Inserting the Earphones).
5.Turn the volume on the PA235 up slightly (toward +).
6.Adjust the seat volume as follows:
•If the audio is distorted, turn down the volume at the seat.
•If there is no distortion, but there is background noise, turn up the seat volume.
7.Adjust the PA235 volume to a comfortable level.
NOTE: the program may be interrupted by messages from the pilot that are much louder. To avoid discomfort, keep the overall volume just loud enough for listening enjoyment.
REPLACING THE EARPHONE NOZZLE
Replace the nozzle if it becomes damaged, or if wax buildup cannot be removed using the wax removal loop.
1.Unscrew the retainer from the earphone base .
2.Remove the nozzle .
3.Slide the retainer over the new nozzle .
4.Place the nozzle on the earphone base with the flange aligned with the groove in the base. Tighten the retainer .
Be careful when replacing the earphone nozzle. Parts are small and easily lost if dropped.
�
�
�
�
MAINTENANCE
Careful maintenance ensures a tight seal between the sleeve and nozzle, improving sound quality and product safety.
Keep the earphones and sleeves as clean and dry as possible.
Do not expose earphones to extreme temperatures.
Wipe the earphones and sleeves with mild antiseptic to avoid infections. Do not use
CERTIFICATION
Eligible to bear CE marking.
Conforms to European EMC Directive 89/336/EEC.
Meets applicable tests and performance criteria in European Standard EN 55103 (1996) Parts 1 and 2, for residential (E1) and light industrial (E2) environments.
