Instruction/ maintenance manual of the product HD-3A Telex
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HD-3A Dual-Sided Headset with 21dB NRR, Flexible Dynamic Boom Mic, & A4F Connector The HD-3A is a dual-sided monaural hearing protector type headset with noise-canceling dynamic micro - phone. EP A rated NRR of 21 dB. The polyurethane earcups house 150Ω dynamic elements and feature an easily adjustable headband.
HD-3A Specications Connector T ermination XLR 4-pin Female coiled cord T ype Dual Sided Monaural Mic T ype Dynamic Noise-Canceling Mic Sensitivity -65dBV/Pa @1cm Mic Frequency Range 200Hz - 6kHz Mic Impedance 150Ω Speaker Sensitivity 95dB SPL @3kHz, 1mW Speaker Frequency Range 1kHz - 10kHz Speaker Impedance 150Ω Weight 17oz.
An important point after buying a device Telex HD-3A (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Telex HD-3A yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Telex HD-3A - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Telex HD-3A you will learn all the available features of the product, as well as information on its operation. The information that you get Telex HD-3A will certainly help you make a decision on the purchase.
If you already are a holder of Telex HD-3A, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Telex HD-3A.
However, one of the most important roles played by the user manual is to help in solving problems with Telex HD-3A. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Telex HD-3A along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center