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User manual for Lectrosonics HM Digital UHF Wireless Plug-On Microphone HM-22
- Manufacturer: Lectrosonics
- Basic description and contents of package
- Product classification: Pro Audio - Location Sound - Wireless Transmitters
- Safety instructions
- Startup and operation of the wireless transmitters
- Tips for setting up your Lectrosonics
- Settings and expert assistance
- Contact Lectrosonics service
- Troubleshooting
- Warranty information
- Price: 1000 USD
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We recommend checking out our discussion threads on the Lectrosonics HM Digital UHF Wireless Plug-On Microphone HM-22,
which address similar problems with connecting and setting up Wireless Transmitters Lectrosonics.
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User manual for the Lectrosonics HM Digital UHF Wireless Plug-On Microphone HM-22
The user manual for the Lectrosonics HM Digital UHF Wireless Plug-On Microphone HM-22 provides
necessary instructions for the proper use of the product Pro Audio - Location Sound - Wireless Transmitters.
The HM Digital UHF Wireless Plug-On Microphone Transmitter from Lectrosonics enables you to transmit the signal of any XLR microphone wirelessly. The HM transmitter overcomes inherent channel noise with its patented Digital Hybrid Wireless technology, which digitally encodes the audio. Digital conversion before transmission provides all of the benefits of conventional FM wireless systems, (range, resistance to interference, etc) without the noisy artifacts introduced by analog compandors.
The HM transmitter provides 256 user-selectable UHF frequencies. The input amplifier uses an ultra low noise op-amp for quiet operation. Gain controlled with a wide range dual envelope limiter, it provides over 30 dB of headroom above full modulation. A 24-bit A-D converter digitizes the audio, then filters supersonic noise above 21 kHz.
HM transmitters are backwards compatible with Lectrosonics 100, 200, and IFB series receivers; as well as being compatible with third-party analog receivers. Phantom power from its XLR input jack is selectable between 5, 18 and 48 volts, making the HM compatible with just about any condenser or dynamic microphone. It's powered by two AA lithium, NiMH, or alkaline batteries for up to 12.75 hours of use, with Phantom Power engaged (lithium).
The sound quality of the HM transmitter is outstanding. The power supply provides constant voltages, switching to accommodate the life-cycle of the batteries, resulting in an ultra low noise input amplifier. The excellent signal to noise ratio and dynamic range of the HM qualify it for use in the most demanding of professional applications.
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If you own a Lectrosonics wireless transmitters and have a user manual in electronic form,
you can upload it to this website using the link on the right side of the screen.
You can upload and download the manual for the Lectrosonics HM Digital UHF Wireless Plug-On Microphone HM-22 in the following formats:
- *.pdf, *.doc, *.txt, *.jpg - Other formats are unfortunately not supported.
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Additional parameters of the Lectrosonics HM Digital UHF Wireless Plug-On Microphone HM-22:
| Frequency Selection | 256 frequencies in 100 kHz steps | | Operating Frequency | 563.200 - 588.700 MHz | | RF Power Output | 100 mW (nominal) | | Pilot Tone | 25 to 32 kHz; 5 kHz deviation (in the 400 Series operating mode) | | Frequency Stability | ± 0.002% | | Deviation | ± 75 kHz (max) | | Spurious Emission | 60 dB below carrier | | Equivalent Input Noise | -125 dBV (A-weighted) | | Input Level | Nominal 2 mV to 300 mV, before limiting; greater than 1V maximum, with limiting | | Input Impedance | 300 Ohms | | Limiter | Dual envelope "soft" limiter; greater than 30 dB range | | Gain Range | 55 dB; panel mounted membrane switches | | Modulation | Dual bi-color LEDs indicate modulation of -20, -10, 0, +10 dB referenced to full modulation | | Frequency Response | 35 Hz to 20 kHz (+/-1dB) | | Low Frequency Roll-Off | Adjustable for -3 dB @ 30, 50, 70 Hz | | THD | 0.2% (typ. 100 Hz to 20 kHz) | | Signal to Noise Ratio | SmartNR Off - no limiting: 103.5 dB
- limiting: 108 dB
SmartNR Normal - no limiting: 107 dB
- limiting: 111.5 dB
SmartNR Full - no limiting: 108.5 dB
- limiting: 113 dB
| | Dynamic Range | 125 dB (with full Tx limiting) | | Controls and Indicators | - Power/Phantom "ON-OFF" switch
- Phantom voltage selector switch
- Audio input gain knob
- LCD w/membrane switches
- LED audio level indicators
| | Audio Input Jack | Standard 3-pin XLR (female) | | Phantom Power | Off; 5V @ 18 mA max; 15V @ 15 mA max; 48V @ 4 mA max | | Antenna | Housing and attached microphone form the antenna | | Battery | Two 1.5 Volt AA lithium or rechargeable NiMH recommended | | Battery Life | Alkaline - No Phantom: 5 hrs
- 48V on: 3.5 hrs
NiMH 2500 - No Phantom: 9.25 hrs
- 48V on: 7 hrs
Lithium - No Phantom: 16 hrs
- 48V on: 12.75 hrs
| | Emission Standard | 180KF3E | | Dimensions | 4.25 x 1.62 x 1.38" (10.8 x 4.1 x 3.5 cm) | | Weight | 6.7 oz (190 g) without batteries | | Package Weight | 1.15 lb | | Box Dimensions (LxWxH) | 9.8 x 7.9 x 3.0" | |
The user manual for the Lectrosonics HM Digital UHF Wireless Plug-On Microphone HM-22 can be downloaded in .pdf
format if it did not come with your new wireless transmitters, although the seller is
required to supply one. It is also quite common that customers throw out
the user manual with the box, or put the CD away somewhere and then can’t find it.
That’s why we and other Lectrosonics users keep a unique electronic library
for Lectrosonics wireless transmitterss,
where you can use our link to download the user manual for the Lectrosonics HM Digital UHF Wireless Plug-On Microphone HM-22.
The user manual lists all of the functions of the Lectrosonics HM Digital UHF Wireless Plug-On Microphone HM-22,
all the basic and advanced features and tells you how to use the wireless transmitters.
The manual also provides troubleshooting for common problems. Even greater
detail is provided by the service manual, which is not typically shipped with the product,
but which can often be downloaded from Lectrosonics service.
If you want to help expand our database, you can upload a link to this website
to download a user manual or service manual, ideally in .pdf format. These pages
are created by you – users of the Lectrosonics HM Digital UHF Wireless Plug-On Microphone HM-22. User manuals are also
available on the Lectrosonics website under Pro Audio - Location Sound - Wireless Transmitters.
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