WIRELESS MICROPHONE SYSTEM
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4. Description of parts
4-1 UHF PLL Dual-channel diversity receiver( True Diversity ) // RU-901Du
Front panel
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Power ON/OFF:
ON
：
push once to turn on.
OFF
：
push and hold until ''Power OFF'' is shown on the LCD to turn off.
EXIT:
Push exit to cancel a selection or exit from the current menu when RU-
901Du is in the ''setting menu.''
Rotary Switch:
when in the ''function menu,'' turn the switch to select the
desired function; push the switch (or SETUP) to enter the selection and spin the
switch to select the setting. Push [SETUP] to save the setting.
SETUP:
Push and hold for 2 seconds to enter the “setting menu.” Push SETUP to
save the setting once the selection and setting are made according to
''3. Rotary Switch.''
:
this allows user to synchronize the transmitter after modifying a
parameter. Push “
” to synchronize the settings to the transmitter.
Remoset indicator:
this shows the current pairing status. It flashes rapidly
when data is being transmitted and the flashing stops when the synchronization
is completed. However, the flashing slows down if synchronization fails after a
period of time of pairing attempt.
Ultrasonic transmission unit:
it transmits digital pairing data at ultrasonic fre-
quency. When setting, direct the ultrasonic receiving element of the microphone
to the ultrasonic transmitting unit of the receivers. The effective range is 30º on
both sides with the optimized distance at 30cm.
LCD display:
See ''Receiver LCD display instructions.''
AF:
indicates the current strength of audio frequency signals.
RF:
indicates the current strength of radio frequency signals.
Key lock:
push and hold for 2 seconds to lock all keys, and again to unlock.
Volume keys:
push
▲
/
▼
keys to adjust the volume between 0 and -31dB.
Selection key:
push this button
a. Push SETUP to enter the setting for the selected channel for parameter
settings.
b. Push REMOSET to transmit the setting data to the transmitter in this
selected channel.
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