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OPERATING INSTRUCTIONS
UB-16 Bodypack Transmitter
13
5. Selecting the Operating Frequency
In order for the system to operate properly, the same channel
(frequency of operation) must be selected for the UB-16 transmitter as
was chosen for the UHF-16 receiver. Press either the UP or DOWN
CHANNEL SELECT BUTTON (25) until the channel number indicated
on the 2-segment CHANNEL LED DISPLAY (24) matches that of the
UHF-16 receiver.
6. Selecting the Tone Squelch™ Mode/
Activity Indicator
Hold both the UP and DOWN BUTTONS (25) at the same time for 1
second. The Tone Squelch™ will cycle from On to Off. See the
CHANNEL DISPLAY AND UP/DOWN BUTTON OPERATION, page 15.
(Note: If the receiver is configured for Tone Squelch™ mute, the
transmitter must also be configured to send the tones, otherwise the
receiver audio will remain muted. The signaling tones are also used to
display the transmitter battery status.)
7. Locking the Keyboard
To avoid accidental reconfiguration of the Channel setting or Tone
Squelch™, the keyboard can be locked by holding both UP and DOWN
BUTTONS (25) at the same time for 3 seconds. See the CHANNEL
DISPLAY AND UP/DOWN BUTTON OPERATION, page 15.
8. Microphone and Instrument Operation
The transmitter is now ready to use. The RECEIVED RF LEVEL ICON
(11a), and either the A or B DIVERSITY ICON (11e) on the UHF-16
receiver should now be lit, indicating a received signal from the
transmitter. The receiver TX LED INDICATOR (10) should be on.
a. Instrument Use.
Plug the 1/4" phone plug from the INSTRUMENT (31) cord into the instrument. Verify that the INPUT
SELECTOR SWITCH (23) is in the GT position. When ready to play, slide the audio OFF/STANDBY/ON
SWITCH (28) to the ON position. Adjust the volume of the receiver as per the Audio Output Instrument
Connections section of the preceding UHF-16 receiver instructions.
(Note: The INPUT LEVEL CONTROL (26) is deactivated and not used when the UB-16 is in GT, instrument
mode. Levels should be adjusted with the volume control of your instrument.)
The UHF-16 receiver is equipped with an AF DISPLAY (11a) icon, which displays up to 4 segments,
depending on the strength of the audio signal from the transmitter. Occasional flickering of the 4
th
bar segment
of this display on loud inputs to the transmitter is normal. If this segment displays continuously, turn down the
instrument volume, or noticeable distortion may result. Experiment and set for maximum possible gain without
audible distortion on the high level peaks.
(Note: Turning down the gain or instrument volume too much can
compromise the signal-to-noise and is not recommended.)
(Note: Scratchy noises can sometimes occur when some electric guitars with dirty pots or connections are
used with any wireless system. Therefore, the supplied INSTRUMENT (23) cord has a factory installed
capacitor inside the 1/4" plug. This capacitor provides first order filtering of the RF signal from the cord into the
guitar and eliminates virtually all scratchy noises. Should your equipment still give you scratchy noises, we
suggest these steps to eliminate them:
1) Make sure all guitar volume and tone pots are clean and all contacts are solid–this is very important.
2) Solder a 47pf capacitor across the hot to ground terminals of the guitar’s volume and tone pots to provide
extra filtering.)
(31)
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