Sennheiser HDR 145 Instruction Manual Download Page 1 | Manualshive

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HDR 145

Additional Headphones for RS 145 comfort

Instruction manual

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Summary of Contents for HDR 145

Page 1: ...HDR 145 Additional Headphones for RS 145 comfort Instruction manual ...

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Page 3: ...L 1 6 2 R L BALANCE 4 3 5 ...

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Page 5: ...the headphones rechargeable batteries 6 Charging the headphones rechargeable batteries 6 Adjusting the headband of the headphones 7 Using the HDR 145 8 Switching the headphones on and off 8 Searching for a sound source 9 Adjusting the volume 9 Adjusting the balance 10 Switching the acoustic signals beeps on and off 10 Cleaning the HDR 145 11 If a problem occurs 12 Accessories and spare parts 13 Sp...

Page 6: ...situations which require special attention e g when performing skilled jobs Always keep the device dry and do not expose it to extreme temperatures Intended use of the device Intended use includes having read this instruction manual especially the chapter Safety instructions using the device within the operating conditions and limitations described in this instruction manual Improper use means usi...

Page 7: ...ble battery powered devices off after use Do not pack charged bat teries loose danger of shorting out fire hazard Only charge rechargeable batteries with the appropriate Sennheiser chargers Do not continue to use defective rechargeable batteries Do not heat above 70 C 158 F e g do not expose to sunlight or throw into a fire Do not mutilate or dismantle Only charge rechargeable bat teries at ambien...

Page 8: ... sound quality and allow for wireless listening everywhere in the house and garden The lightweight headphones are extremely comfortable to wear and very easy to use The volume can easily be adjusted to individual needs Enjoy a completely unrestricted listening experience without disturbing others Delivery includes 1 HDR 145 headphones 2 AAA size NiMH rechargeable batteries 1 2 V 1 instruction manu...

Page 9: ...dphones 1 Headband 2 Volume control 3 TUNE button 4 Balance control for R L volume adjustment 5 ON OFF switch 6 Earpad Overview of the acoustic signals Acoustic signal Meaning 6 short beeps No signal Transmitter is switched off or out of range 2 long beeps Rechargeable batteries are almost flat Sequence of 3 beeps Headphones have been switched off ...

Page 10: ...nserting the batteries 왘 Put the earpad 6 back in place If the operating time decreases drastically even when the rechargeable batteries are fully charged the rechargeable batteries are exhausted and have to be replaced Charge the rechargeable batteries for at least 16 hours prior to first time use Subsequent charging time is about the same time as the previous operating time The operating time is...

Page 11: ... head you feel even gentle pressure around your ears a snug fit of the headband 1 on the head is ensured Always store the headphones on the charging cradle to ensure that they are fully charged when they are needed When the rechargeable batteries are fully charged the transmitter automatically switches to trickle charging and the charging indicator on the transmitter flashes slowly 왘 Wear the head...

Page 12: ...e last selected channel If a channel is Sequence of steps Page 1 Make sure that the rechargeable batteries are charged 6 2 Set the volume to a low level 8 3 Switch your headphones on 8 4 Set the desired volume 9 CAUTION Hearing damage due to high volumes Listening at high volume levels for long periods can lead to permanent hearing defects 왘 Before putting the headphones on set the volume to a low...

Page 13: ... on the transmitter is lit If you do not hear the desired sound source continue the search 왘 If you cannot find your sound source please refer to the chapter Changing the transmission channel in the RS 145 comfort instruction manual Adjusting the volume 왘 Use the volume control 2 to adjust the volume to a sufficient and comfortable level 왘 Set the ON OFF switch 5 on the headphones to the position ...

Page 14: ...eps on and off An overview of the acoustic signals is given on page 5 The acoustic signals can be switched on and off as follows 왘 Switch the headphones on see page 8 왘 Press the TUNE button 3 for 5 seconds 왘 Switch the headphones off for testing see page 8 If the acoustic signals are switched on the headphones produce a sequence of three beeps at switch off If no beeps are produced the acoustic s...

Page 15: ... your Sennheiser dealer see Accessories and spare parts on page 13 CAUTION Liquids can damage the electronics of the devices Liquids entering the housing of the devices can cause a short circuit and damage the electronics 왘 Keep all liquids far away from the devices 왘 Do not use any cleansing agents or solvents 왘 To loosen the quarter turn fastener which secures the earpads to the earcups turn the...

Page 16: ...ion Page Are the headphones still within the transmitter s range Move the headphones closer to the transmitter If necessary switch the headphones on again 8 Are the rechargeable batteries charged Place the headphones on the charging cradle Check the charging indicator 6 Are the rechargeable batteries properly inserted Remove the rechargeable batteries and reinsert them into the headphones 6 Possib...

Page 17: ...system Modulation FM stereo Frequency range 863 865 MHz Frequency response 18 21 000 Hz Signal to noise ratio typ 68 dBA Ambient temperature 0 C to 40 C HDR 145 headphones Transducer principle dynamic circumaural closed Max SPL at 1 kHz 110 dB THD at 1 kHz 0 5 Power supply 2 AAA size NiMH rechargeable batteries LR 03 Charging time approx 16 hrs full charge Operating time up to 23 hrs with fully ch...

Page 18: ...ve the respective country specific regulations Rechargeable batteries The supplied rechargeable batteries can be recycled Please dispose of them as special waste or return them to your specialist dealer In order to protect the environment only dispose of exhausted batteries WEEE Declaration Your Sennheiser product was developed and manufactured with high quality materials and components which can ...

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Page 20: ...Sennheiser electronic GmbH Co KG Am Labor 1 30900 Wedemark Germany www sennheiser com Printed in China Publ 09 08 532025 A01 ...

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