Sennheiser E 180 Stereo E 180 infrared stereo hi-fireceiver, Types of application, Fault finding

E 180 infrared stereo hi-fi receiver

The wireless infrared stereo hi-fi receiver E 180 receives music and speech radiated by an appropriate infrared transmitter.

Types of application:	•	stereo sound reproduction
	•	as a delegate headphone, for interpreter systems
	•	in theatres or during conferences as a hearing aid

Features:

Technical data

Receiving frequencies Frequency range S/N ratio

Channel spacing at 1 kHz Max. sound pressure level THD at 1 kHz

Power supply Operating time Accu recharging time Weight

Fault finding:

Hissing noise only

Volume turned to max. but no signal available

Sound is disturbed

Sound is slightly noisy

•hi-fi quality, stereo

•extremely light in weight

•easy to handle

•economic accu operation

•causing no harm to the environment

•recharging of BA 90 accus in the charging port of the transmitter or using the L 90 charging unit

95 kHz/250 kHz ± 25 kHz, FM

30-18,000 Hz

60dB(A)

45dB

45dB at 1 kHz < 0.8 %

BA 90 accu (Item No.03261 ) approx. 8 hrs

approx. 18 hrs

approx. 43 g (including accu plug)

Transmitter is not set into opertion or it is defective

Signal is missing, check connection to transmitter! Volume can be adjusted separately at headphone socket? See manual of TV/hi-fi components!

Accu is completely discharged, please recharge it immediately!

The transmitter is not positioned in an optimum way, reception is obstructed.

Before using it for the first time, the accu has to be charged for 24 hrs!

Please switch off the device after use!

Ear cushions (removable) have to be cleaned with soap-suds from time to time!

Subject to alterations.