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5

Digital Frequency Agile UHF Hand-held Transmitter

Rio Rancho, NM – USA

MICROPHONE ELEMENT

The UT400  includes the Lectrosonics VariMic mic element. The VariMic is a cardioid condenser back electret
microphone that is adapted for the unique circumstances of wireless microphones.  The problems it solves are
dynamic range, handling noise and low frequency noise (rumble or wind).

In the VariMic, an unusual pumped source FET circuit increases the usable dynamic range 12dB and greatly reduces
distortion, just as if the FET were being supplied with 48 Volts. In addition, a unique 16 position sensitivity control at
the element itself can adjust the sensitivity in 15 steps over a 15 dB range.  This is in addition to the normal gain
control in the wireless microphone.  The result is the widest dynamic range of any condenser mic in a wireless
microphone.

The VariMic has a three point damped rubber suspension to reduce high frequency handling noise and a generous
sized windscreen to keep wind noise and breath pops away from the microphone.

Содержание UT700

Страница 1: ...UT700 ENCRYPTED DIGITAL UHF HANDHELD TRANSMITTER LECTROSONICS INC Rio Rancho NM www lectrosonics com OPERATING INSTRUCTIONS and trouble shooting guide...

Страница 2: ...remely difficult due to the secure encryption The UT700 is an integral microphone transmitter with an internal antenna The antenna is a dipole type utilizing the two printed circuit boards as the elem...

Страница 3: ...may be used without fear of clipping The limiter has a fast attack but different release characteristics depending on the nature of the signal that drove the input into limiting Brief transients resul...

Страница 4: ...ame as a traditional analog system The transmitter and receiver may be powered on in any sequence and the transmitter may move in and out of range without consequence except normal squelching Security...

Страница 5: ...T circuit increases the usable dynamic range 12dB and greatly reduces distortion just as if the FET were being supplied with 48 Volts In addition a unique 16 position sensitivity control at the elemen...

Страница 6: ...ation Please refer to the receiver manual for further details LED POWERUP SEQUENCE The UT700 is unique among 700 series transmitters in that its audio LEDs are located under a cover and often aren t v...

Страница 7: ...for excellent overload protection A dual release envelope makes the limiter acoustically transparent while maintaining low distortion It can be thought of as two limiters in series connected as a fast...

Страница 8: ...nd screen counter clockwise until it comes off then carefully slide the windscreen past the mic element Set flat the mic capsule is very wide range and sounds a lot like a large competitor s top line...

Страница 9: ...with conventional micro phones With a regular mic low frequency wind noise breath thumps or handling rumble can be filtered out at the control board before the noise causes problems with the followin...

Страница 10: ...attery compartment press outward on the cover door in the direction of the arrow as shown in the drawing Only firm sliding pressure is needed to open and close the battery door Swing the door open and...

Страница 11: ...in the main audio system SETTING THE ENCRYPTION KEY Please refer to the receiver manual for instruction on setting the encryption key OPERATING NOTES The AUDIO LEVEL control knob should not be used t...

Страница 12: ...iver audio is muted or set too low 2 Receiver audio output is disconnected or cable defective or mis wired 3 Sound system or recorder input is turned down DISTORTED SOUND AND OR MOTORBOATING 1 Transmi...

Страница 13: ...mitter and receiver do not match HISSY SWISHY SOUND Refer to receiver manual to choose a new key and send it to the transmitter NO AUDIO OUTPUT AUDIO LEDS BLINK IN 1 System is in security level 3 and...

Страница 14: ...30 dB range Gain control range 43 dB semi log rotary control Modulation indicators Dual multi color LEDs indicate modulation level in 4 steps at 20 10 0 10 dB with green and red indications Low freque...

Страница 15: ...pair there is a charge for an exact quotation We will be happy to quote approximate charges by phone for out of warranty repairs RETURNING UNITS FOR REPAIR You will save yourself time and trouble if y...

Страница 16: ...eturning your equipment to you This warranty applies only to items returned to Lectrosonics Inc or an authorized dealer shipping costs prepaid within one year from the date of purchase This Limited Wa...

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