Lectrosonics UCR300 User Manual download pdf (Page 5)

UHF Wireless Diversity Receiver

GENERAL TECHNICAL DESCRIPTION

The mute circuit drives a relay which physically disconnects

the output amplifier from the output. This provides complete

muting of the audio and the noise. The pilot tone function may

be bypassed with the Pilot Tone Disable switch (located on the

front panel.) When the pilot tone has been disabled with this

switch, the Pilot LED will glow red and the MOD function of

the LED bargraph meter on the front panel is disabled. The

Pilot LED on the front panel will glow green when the pilot

tone has enabled the receiver audio output.

OUTPUT LEVEL ADJUST AND RANGE SWITCH

The front panel Output control will adjust the audio output

within the range set by the Lo/Mid/Hi range switch (located on

the back panel.) In the Lo position the adjustment range is from

–50dBu to –20dBu, the Mid position (center) allows an adjust-

ment from –30dBu to 0dBu, and the Hi position sets the audio

output to a fixed +8dBu with no front panel control.

POWER SUPPLY

The UCR300 may be operated from an external 10 to 16.5 VDC

source. The power supply has a built in Poly-Fuse to protect the

unit. This fuse resets by simply disconnecting the power supply

for about 15 seconds.

Rio Rancho, NM – USA

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Lectrosonics UCR300 User Manual Page 5