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• The receiver antennas should be kept away from any metal surface.
• If the Volume Control of the receiver is set too high, it may over-drive the input of the mixer, caus-
ing distortion. Conversely, if the output is set too low, the overall signal to noise ratio of the system
may be reduced. Adjust the output level of the receiver such that highest sound pressure level
going into the microphone causes no input overload in the mixer, and yet permits the mixer level
control to operate in the normal range (not too high and not too low). This provides the optimum
signal to noise for the entire system.
• Before inserting the batteries, please make sure that they are inserted according to the correct
polarity.
• Use only brand new alkaline batteries. Do not use “general purpose” batteries. When batteries are
weak, replace the batteries altogether at the same time.
• Position the receiver such that it has the least possible obstructions between it and the transmit-
ter. Line of sight is best!
• The transmitter and the receiver should be as close as possible but not less than 1 meter.
• For the best operation, the receiver should be placed at least 1 meter above the ground and 1
meter away from a wall or metal surfaces. The transmitter should be also at least 1 meter from the
receiver. Keep antenna away from noise source such as motors, automobiles, neon light, signal
processor, computer, as well as large metal objects.
• A receiver cannot receive signal from two or more transmitters simultaneously. The UHF-24 has 2
receivers so can be operated with 2 transmitters only on the same frequencies.
• Turn the transmitter off when it is not in use. Remove the batteries if it is not to be used for a long
period.
Note: Scratchy noises can sometime occurs when some electric guitars with dirty pots or connec-
tions are used with any wireless system. Therefore, the supplied capacitor provides fi rst order fi lter-
ing 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:
a. Make sure all guitar volume and tone pots are clean and all contacts are solid-this is very
important.
b. A 47pF capacitor soldered across the pot to ground terminal of the guitar’s volume and tone
pots will provide extra fi ltering.
TIPS
3
SYSTEM FEATURES
U
HF-24
Receiver
•
Two discrete UHF wireless receivers in one housing, for simultaneous operation of two transmit-
ters
• Back panel Balanced XLR mic level outputs, unbalanced 1⁄4” jack line level sum output, and sepa-
rate volume, and external adjustable mute controls for each channel
• Front panel LED display indicates TX signal received and 5-segment AF level displays for each
channel.
• Front panel dual telescoping retractable antennas
• Exclusive patented companding circuitry and highest quality audio for an unsurpassed 120dB
dynamic range
• Operates on select UHF frequencies within separate bands 902-928 and 944-952 MHz
• Tone Squelch circuitry eliminates On/Off pop and protection from RF interference
• Half-rack receiver and unique snap-out panel locking tabs design for single or dual receivers
(side-by-side) optional rack mounting
• Externally powered with DC adapter (15VDC/0.4A) included
U
H
-4
Handheld
Transmitter
•
Nady DM-10D neodymium cartridge delivers transparent vocals, maximum feedback rejection and
minimal handling noise
• OFF/MUTE/ON switch for ease of use
• Unique screw-on battery compartment for quick pop-in battery replacement- uses standard 9V
alkaline battery
• Single LED indicator fl ashes once for unit on; lights steady for low battery alert
• Input level control for optimum sound adjustment
• Rugged ABS housing with integral antenna
U
B
-4
Bodypack
Transmitter
•
Compact bodypack with screw on jack for instrument or lavalier microphone input
• OFF/MUTE/ON switch for ease of use
• Unique sliding battery compartment for quick pop-in battery replacement- uses standard 9V alka-
line battery
• Single LED indicator fl ashes once for unit on; lights steady for low battery alert
• Input level control for optimum sound adjustment (LT/HM)
• Rugged ABS housing with external antenna
LINK
4™
Plug-In
Transmitter
•
Compact microphone transmitter that converts any dynamic XLR hardwired microphone to wire-
less operation
• OFF/MUTE/ON switch for ease of use
• Unique sliding battery compartment for quick pop-in battery replacement- uses standard 9V alka-
line battery
• Single LED indicator fl ashes once for unit on; lights steady for low battery alert
• Audio LO/MED/HI gain selection for optimum sound
• Selectable 9V DC phantom powering for lavalier condenser microphone operation
• Standard locking 3-pin connector with adjustable threaded ring to provide secure connection to
any XLR handheld direct or to lavalier microphone cable
• Lightweight, ABS housing with integral antenna