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18
Setting Up and Using the
UHF Synth System
used at the same location, all devices must be set to the same Group
(though each will use its own Channel) or intermodulation noise may
occur. If you are using the UR-5D receiver for the reception of a stereo
signal (or for the reception of two simultaneous monophonic signals),
both sides (Receiver 1 and Receiver 2) must be set to the same Group.
If you are only using a single transmitter and receiver, you can select any
Group and available Channel with a sufficiently strong signal (see #6
below). Start with Group 0 and scan through all available Channels
while observing the
RF Level display in the receiver. If any segments
glow with the transmitter off, the selected Channel may be receiving
interference and is probably unsuitable for use (one segment glowing is
insignificant). Select a Group that has the greatest number of suitable
Channels (that is, Channels where no segments light or glow with the
transmitter off).* When you have decided which Group and Channel
you wish to utilize, use the supplied plastic screwdriver to set the same
Group and Channel on the appropriate UT-5 or UH-5 transmitter.
7. Turn on the power to the UT-5 or UH-5 transmitter (using its Power
on-off switch) and observe the RF Level display in the UR-5 or UR-5D
receiver; all segments should light up. When first setting up the UHF
Synth System in a new environment, it’s always a good idea to do a
walkaround while experimenting with different Group and Channel
settings—you may find that some cause more RF Level segments to
light up than others (the more segments light, the stronger the signal).
Always pick the Group that has the greatest number of clear Channels
and the Channel providing the strongest signal. Note that whenever a
new channel is selected, it takes approximately five seconds for audio
signal to be passed through to the receiver outputs.
8. Once you’ve settled on your Group and Channel assignments, it’s
time to set the audio levels. If you are using the UH-5 transmitter or the
UT-5 transmitter with a connected lavalier or headset microphone, speak
or sing into the mic at a normal performance level while slowly raising
the equivalent AF Level knob on the receiver to a level of approximately
“8.”. Observe the receiver’s AF level display as you do so; one or more
* If your installation requires more than seven simultaneous Channels,
you’ll have to use Group 9.