Lectrosonics UCR110 - Manual (Page 5)

Compact Receiver
The battery level is precision monitored by the internal microprocessor which also drives the POWER LED for
accurate battery condition.
IMPORTANT!
When the battery voltage drops below 6 Volts, the power LED will remain off, but the other
3 LEDs will light up and a rush of audio noise and distortion will be heard as the squelch
opens. This condition is normal, and is easily remedied by replacing the battery.
RF LED
Lights when the transmitter is turned on and the receiver has a strong RF signal. The RF LED will start blinking when
the RF carrier signal from the transmitter becomes too weak to produce a clean audio signal. The lamp will go out
completely when the RF signal is absent or extremely weak.
3.5mm MINI PHONE JACK
Provides audio output controlled by the AUDIO LEVEL control on the FRONT panel. Generally, the AUDIO LEVEL
control would be set to provide the proper output level to match the required level for your video camera or other
equipment.
The 3.5mm mini jack will accommodate a mono plug (tip & sleeve) or a stereo type jack (tip/ring & sleeve) without
harm to the unit. When using a pair of stereo headphones the audio will be mono but will drive both earphones in the
correct (binaural) phase.
The output at this mini connector jack is designed to also drive a standard impedance earphone, typically 30 Ohms
(most common) and usually provides adequate volume for setup and testing. The sound from a low impedance ear
phone (ie. 8 Ohms) will not be very loud and may be distorted at higher listening levels.
OUTPUT CONTROL
Attenuates the audio output level of the receiver to match the input requirements of the equipment with which it is
used. The 3.5mm Mini output jack on the front panel provides an audio output at adjustable levels for low or high
impedance, unbalanced inputs. At the extreme counter-clockwise position of the control knob, the output level of the
Mini jack will be -50dBV at full modulation. In the fully clockwise position, the output level will be 0dBV (1 Vrms) at full
modulation. intermediate settings are sometimes necessary due to the variations in different input compressors and
ALC (automatic level control) circuits on various VCR’s and audio inputs. The markings around the control knob are
provided simply as “memory markers;” they are not calibrated with reference to a specific output level.
ANTENNA
The antenna is a 1/4 wavelength 50 ohm flexible non-removable antenna made of durable sheathed bronze wire.
SIDE PANEL CONTROLS & FUNCTIONS
FREQUENCY ADJUST
These two rotary switches adjust the center fre­
quency of the carrier. The left switch (COARSE)
changes the operating frequency by larger increments
and the right switch (FINE) changes it in small
increments per step. These steps are determined by
the programming in the unit. Refer to the chart of
settings provided with the unit. The receiver and
transmiter switches must be set to the same number/
letter combination for proper operation.
To gain access to these switches, slide the access
door sideways with a fingernail.
0 1
2
3
4
5
6
7 8 9
A
B
C
D
E
F 0 1
2
3
4
5
6
7 8 9
A
B
C
D
E
F
FREQUENCY
COARSE FINE
9
BLK 20 (BK)
512.0 - 537.5
Figure 3 - UCR110 Side Panel
Rio Rancho, NM – USA 5