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17
Setting Up and Using the
UHF Synth System
tions) are more prone to feedback problems than unidirectional (cardioid
or supercardioid) ones; in general, you can avoid feedback by taking
care not to use any microphone directly in front of a PA speaker (if this
is unavoidable, you can try using an equalizer to attenuate those high
frequencies which are causing the feedback “squealing”).
2. Place a fresh 9-volt alkaline battery (not supplied) into your UT-5 or
UH-5 transmitter, taking care to observe the polarity markings. We
recommend the Duracell MN 1604 type or equivalent. We do not
recommend the use of rechargeable Ni-Cad batteries because they do
not supply adequate current for any significant time period. For the
moment, leave the transmitter turned off.
3. Make the physical cable connections between the output of your
UR-5 or UR-5D receiver (using either the balanced or unbalanced
jacks)* and the input of your amplifier or mixer. If you are using
professional (+4) equipment, the balanced jack is preferable since it will
deliver an electromagnetically cleaner signal. Leave the amplifier
(and/or mixer) off at this time.
4. Connect the supplied 3-pin “EEC” plug into the UR-5 or UR-5D rear
panel AC connector and plug the other end into any grounded AC
socket.
5. Turn the AF Level knob on the UR-5 receiver (or both AF Level
knobs on the UR-5D receiver) completely counterclockwise (to the “0”
position) and depress the power switch to turn the unit on. The display
section will light up.
6. Before utilizing the UR-5 or UR-5D Group and Channel knobs to
select a frequency, determine how many transmitters and receivers you
will be using in one location. As shown in the chart on page 24, Groups
0 through 8 provide seven available Channels each (0 through 6), while
Group 9 provides eleven available Channels (0 through 9, plus Group 7,
Channel 5). When two or more transmitters and receivers are being
* If required, both the balanced and unbalanced outputs can be used
simultaneously.