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5. Turn the receiver on by pressing the upper section of the POWER switch. The re-
ceiver display and RF LEDs glows.
6. Make sure the transmitter and receiver are tuned to the same Group, Channel, and
Frequency. If necessary, change the settings on either the transmitter or receiver.
7. If using a headphone monitor, push the monitor knob on the receiver (U4S) or half
the way down (U4D). The headphone monitor light, located below the knob,
glows. Rotate the knob until the headphone volume is at a comfortable level.
NOTE: If using the U4D receiver, pushing this knob selects the receiver section
you wish to monitor.
8. Begin speaking or playing your instrument. Rotate the OUTPUT LEVEL knob as
necessary to achieve desired receiver output levels.
NOTE: If the red PEAK LEDs on the receiver do not flicker during the loudest
sounds, or if they are always on, the transmitter gain may require increasing or
decreasing. Refer to Adjusting the Transmitter Audio Gain Level. If the system still
does not operate properly, consult the Troubleshooting table.
9. When the performance or presentation is over, slide the transmitter ON/OFF
switch to the OFF position to conserve battery power.
OPERATING THE U2 HAND-HELD SYSTEM
1. Slide the transmitter power ON/OFF switch to the ON position. The Group and
Channel number appears on the transmitter display, along with a bar graph indi-
cating battery power level.
2. Turn the receiver on by pressing the upper section of the POWER switch. The re-
ceiver display and the RF lights glows.
3. Make sure the transmitter and receiver are tuned to the same Group, Channel,
and Frequency. If necessary, change the settings on the transmitter or receiver.
4. If using a headphone monitor, push the monitor knob on the receiver to turn the
monitor circuit on. The ON LED, located below the knob, glows. Rotate the knob
until the headphone volume is at a comfortable level.
NOTE: If using the U4D receiver, pushing this knob selects the receiver section
you wish to monitor.
5. Begin speaking or singing into the microphone. Rotate the OUTPUT LEVEL knob
as necessary to increase or decrease receiver output levels.
NOTE: If the red PEAK LEDs on the receiver do not flicker during the loudest
sounds, or if they are always on, the transmitter gain may require increasing or
decreasing. Refer to Adjusting the Transmitter Audio Gain Level. If the system still
does not operate properly, consult the Troubleshooting table.
6. When the performance or presentation is over, slide the transmitter power ON/
OFF switch to the OFF position to conserve battery power.
