BASIC SYSTEM OPERATION
NOTE: Fully Charge Batteries Before First Use!
1. Set all Input Level Controls to minimum & Tones Controls to flat
or the middle setting before turning your system on
2. Plug a wired microphone into the MIC 1 or MIC 2 jacks and/or
plug an audio source into the LINE-IN jack
3. Switch POWER to ON, the red BATTERY LED will light
4. Slowly increase the Level Control for the input jacks used to the
desired volume
5. Set SPEECH PROJECTION to ON for speech applications or
OFF for standard applications
(music & indoor use)
6. Adjust BASS & TREBLE controls to desired sound quality
5
4
UHF-6400 RECEIVER FRONT & BACK PANELS
MODEL SHOWN: WR-6400
NOTE: Setting squelch too high will reduce the usable range of the system.
ANTENNA A:
INPUT CONNECTOR
BALANCED OUTPUT
3-pin XLR connector
provides balanced
low-impedance output
UNBALANCED OUTPUT
“M”
(6.3mm) phone jack
provides unbalanced
low-impedance output
DC IN
Input connector
for AC adapter
ANTENNA B:
INPUT CONNECTOR
TNC-type connector provides
connection to supplied antennas
or coaxial cable used w/
antenna divider, antenna
boosters or remote antennas
SQUELCH
Adjusts output level to
suppress noise
(Set to minimum before
turning receiver on)
HEADPHONE INPUT
CONNECTOR
Plug headphone into this
“M”
(6.3mm) connector to
monitor receiver audio
AF LEVEL INDICATORS
Five LEDs light to indicate audio signal strength
Green = Normal Operation
RED = Approaching Overload Condition
CHANNEL SELECTOR
Rotate knob to choose
channel number.
RF LEVEL INDICATORS
Five LEDs per RF antenna channel
glow to indicate RF signal strength
NOTE: If no LEDs are lit no signal
is being received
GROUP SELECTOR
Rotate knob to choose
group number.
LED DISPLAY:
CHANNEL NUMBER
LED DISPLAY:
GROUP NUMBER
CHARGER INPUT
Connect the supplied DC 1.5mm cable
to the receiver and the microphone,
and it takes around 10 hours to re-
charge and the LED of transmitter is
flashing all the time.
LEVEL CONTROL
Rotate to adjust the receiver output
level to match the input sensitivity
of an audio mixer or amplifier.
POWER
Push to turn the
receiver on & off
HEADPHONE MONITOR
VOLUME CONTROL
Turn knob to control
headphone volume level
NOTE: Never use the balanced & unbalanced
audio outputs the same time!
Signal loss or increased noise may occur.
CHARGING RECHARGEABLE BATTERIES
IMPORTANT: Only use for rechargeable batteries.
Attempting to recharge normal batteries will cause damage to the unit.
1. Connect the supplied DC 1.5 cable to DC OUT on the receiver
front panel.
2. Connect the other end of the cable to the charging input on
the bottom of the microphone/transmitter.
3. Charging takes approximately 10 hours to complete.
NOTE: Transmitter LED will flash during charging.
