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User Manual for Lectrosonics HMa UHF Plug-On Wireless Transmitter Click to enlarge the picture
Contents of the user manual for the Lectrosonics HMa UHF Plug-On Wireless Transmitter
- Product category: Wireless Transmitters Lectrosonics
- Brand: Lectrosonics
- Description and content of package
- Technical information and basic settings
- Frequently asked questions – FAQ
- Troubleshooting (does not switch on, does not respond, error message, what do I do if...)
- Authorized service for Lectrosonics Wireless Transmitters
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User manual for the Lectrosonics HMa UHF Plug-On Wireless Transmitter contain basic instructions
that need to be followed during installation and operation.
Before starting your appliance, the user manual should be read through carefully.
Follow all the safety instructions and warnings, and be guided by the given recommendations.
User manual is an integral part of any Lectrosonics product,
and if it is sold or transferred, they should be handed over jointly with the product.
Following the instructions for use is an essential prerequisite for protecting
health and property during use, as well as recognition of liability on the part of the manufacturer
for possible defects should you make a warranty claim. Download an official Lectrosonics user manual in which you will find instructions on how to install, use, maintain and service your product.
And do not forget – unsuitable use of a Lectrosonics product will considerably shorten its lifespan!
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Product description The HMa from Lectrosonics is a UHF plug-on transmitter that accepts mic or line-level signals via a standard XLR connector. It has selectable 5, 15, & 48V phantom power and can be used when paired with a Lectrosonics receiver and handheld microphone - sold separately - in applications for ENG (Electronic News Gathering), EFP (Electronic Field Productions), interviews for broadcast TV, and more. The input amplifier of the HMa transmitter uses an ultra-low noise op-amp for quiet operation and is gain controlled with a wide range dual envelope limiter. A 24-bit A to D converter digitizes the audio, and filters the supersonic noise above 21 kHz. The resulting signal is encoded with a proprietary algorithm to produce an analog data signal for RF transmission. Featuring a wide tuning range of 76 MHz, with tuning steps in increments of 100 kHz or 25 kHz for up to 3072 frequencies, the HMa transmitter also covers three standard 25.6 MHz Lectrosonics frequency blocks. Each block provides 256 different pilot tone frequencies. Legacy analog wireless microphone and IFB receivers are designed to work in DSP compatibility mode, as well as some receivers from other manufacturers. Finally, the transmitter is powered by two AA batteries, with status indicated by a multi-color LED. A USB port is also provided for firmware updates, and an IR (infrared) port is included to simplify setup with IR enabled receivers. - Digital Hybrid Wireless is a revolutionary design that combines digital audio with an analog FM radio link to provide outstanding audio quality and the exemplary RF performance of the finest analog wireless systems
- Multi-color LED status indicator
- Selectable 50/100 mW output power
- 76 MHz tuning range in 100 kHz or 25 kHz steps for up to 3072 frequencies
- The antenna is formed between the machined aluminum housing of the transmitter and the attached microphone or cable. It functions as a dipole radiator when attached to a hand-held microphone and somewhat like a ground plane antenna when connected with a cable or plugged directly into a mixer
In the Box Lectrosonics HMa UHF Plug-On Wireless Transmitter (B1: 537.600 to 614.375 MHz) PHTRAN3 Leather Pouch 2 x AA Alkaline Batteries Limited 1-Year Warranty Table of Contents
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Technical parametersLectrosonics Hma Specs | Frequency Selection Steps | Selectable; 100 kHz or 25 kHz | | Operating Frequency | B1: 537.600 to 614.375 MHz | | RF Power Output | Selectable 50/100 mW | | Pilot Tone | 25 to 32 kHz; 5 kHz deviation (in the Digital Hybrid mode) | | Frequency Stability | ± 0.002% | | Deviation | ± 75 kHz (max in Digital Hybrid mode) | | Spurious Radiation | 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 (+/-1 dB) | | 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; 5 V @ 18 mA max; 15 V @ 15 mA max; 48 V @ 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
- 48 V on: 3.5 hrs
| | Emission Standard | 180KF3E | | Dimensions | 4.25 x 1.62 x 1.38" / 10.8 x 4.1 x 3.5 cm | | Weight | 7.5 oz / 211 g with AA batteries | | | | Package Weight | 1.15 lb | | Box Dimensions (LxWxH) | 9.8 x 7.9 x 3.0" |
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