• a standard telephone that supports handsets with a dynamic microphone • a handset • a headset of the Sennheiser Office or Call Center series • a PC with sound card or USB port (enabling you to use the headset for VoIP and multimedia applications) •...
• Keep children away from the UI 765. When playing, children can be strangled by the cables. • Do not use the UI 765 in a damp or dusty environment. • Only use 1.5 V alkaline C-size (IEC LR 14) batteries for powering the UI 765.
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Connections Box connection Peripheral devices Headset RJ11 Secom Quick disconnect Dictaphone Jack 3.5 mm Jack 3.5 mm “Color Black” “Color Black” Handset RJ11 RJ11 Phone RJ11 Depending on phone Aux/PC RJ11 Jack (2x) 3.5 mm/USB...
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Connecting the headset to the UI 765 Connect the RJ11 4/4 plug of the adapter cable to the HEADSET socket until it locks in place. Connecting the dictaphone to the UI 765 Connect the 3.5 mm jack plug of the dictaphone con-...
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USB plug to the PC USB port. Inserting the battery When inserted into the UI 765, the battery has a service life of approx. two years. Remove the lower rear part of the housing. Use included screw to tamper-proof the battery cover —...
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Adjusting the UI 765 to your telephone ² Use the switch at the bottom of the housing to adjust the UI 765 to your telephone. First make sure that the handset and the headset are connected correctly. The handset must be activated, ¸...
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If you disconnect the UI 765 from the telephone, it is immediately put out of operation. Setting the volume of the headset microphone With the UI 765, you can set the volume of the headset microphone: a soft voice is slightly amplified and a loud ¶...
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Note: The Universal Interface UI 765 is a special version fea- turing a reduced output level. Even with the volume of the Interface set to the maximum value, the signal transmitted by the connected Sennheiser Communica- tions headset will never exceed the maximum of 85 dB (A) per day as a time-weighted average* value, which is in compliance with the EU Noise Directive**.
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Using the UI 765 Headset/Handset Mute Mute/Active Handset/Active Not Active/default Headset/default µ ¸ ¾ ¹ PC interface Sound clarity Communication through Sound clarity/Active PC/Active Not Active/default Not Active/default ¾ PC/telephone button µ Mute button ¸ Headset/Handset button ¹ Sound clarity button...
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Button up: microphone is activated Adjusting the sound clarity of the headset speaker With the UI 765, you can adjust the sound clarity of the headset speaker. Annoying background noise coming through the headset speaker is filtered out and speech intelligibility is thus enhanced.
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Consequently, you cannot mute the headset microphone or set the volume of the headset speaker using the UI 765 but you have to set the volume via your PC. Setting the volume of the headset speaker...
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Cleaning the UI 765 Only use a soft — and, if necessary, slightly damp — cloth for cleaning the UI 765. Do not use any solvents or cleansing agents as these can damage the varnish of the UI 765. If problems occur ...
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No connection to the PC • Make sure that the cables are connected correctly. • Increase the volume on your • Your PC and the UI 765 are not compatibel. Please contact your dealer. Your voice can hardly be • Make sure that the headset...
Accessories Article number Headset holder 3 in 1 502392 (Headset holder — Desktop mounting plate — Desktop lock plate) Modular to 2 x 3.5 mm jack plugs cable — 05373 for connection of UI box to PC via standard sound card — existing CUIPC 1 Modular to USB plug cable —...
Manufacturer declarations Warranty regulations The guarantee period for this Sennheiser product is 24 months from the date of purchase. Excluded are accessory items, rechargeable or disposable batteries that are delivered with the product; due to their characteristics these products have a shorter service life that is principally dependent on the individual frequency of use.
In order to protect the environment, only dispose of exhausted batteries. WEEE Declaration Your Sennheiser product was developed and manufac- tured with high quality materials and components which can be recycled and/or reused. This symbol indicates that...
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UI 765 通用耳机放大转接器 UI 765 可以连接以下设备: • 一部支持动圈式麦克风听筒的标准电话机 • 一个电话听筒 • 一个 Sennheiser 办公或呼叫中心系列耳机 • 一台带有声卡或 USB 接口的电脑(您可以将耳机用于 VoIP 和多媒体应用) • 一部录音设备 通过 UI 765,您可以在耳机、电话听筒和电脑之间任意切 换;设置耳机和话筒音量,并可以将耳机麦克风静音。 包装明细 池 • UI 765 • 1.5 V C 型电池 (IEC LR 14) • 电话线...