Nady Systems WA-120 Bedienungsanleitung
WA-120
Portable Wireless PA
OWNER’S MANUAL
CONTENTS
INTRODUCTION....................................................................................2
CONTROLS AND CONNECTIONS .......................................................3
OPERATING INSTRUCTIONS FOR THE NADY WA-120 ....................5
WA-120 WIRELESS MICROPHONE RECEIVER OPERATION ...........8
WHT HANDHELD MICROPHONE TRANSMITTER..............................9
WLT LAVALIER/HEADMIC BODYPACK TRANSMITTER....................9
SPECIFICATIONS................................................................................12
SERVICE..............................................................................................12
1
Thank you for purchasing a Nady WA-120 Wireless Portable P.A.—and
congratulations on your choice. The WA-120 is the most affordable
and compact of the popular line of Nady wireless P.A.’s. Ideal for
many applications, including use in classrooms, conference/meeting
rooms, churches, health clubs and small auditoriums, it is powerful, yet
lightweight and easily portable. We are sure you will nd this versatile
system a powerful and useful tool for your presentations.
The Nady WA-120 includes a full-range speaker system with built-in
amplier, mixer, and high band VHF wireless receiver.
Special features include:
• Powerful 20W maximum audio power output
• Built-in echo/reverb
• 1/4” unbalanced input jacks (1 MIC, 1 AUX) and one 1/4” unbalanced
RECORD OUT, Volume, treble and bass and echo/reverb controls
• Wireless system features noise-reduction companding circuitry for
quietest operation with a wide dynamic range.
• Available with choice of WHT handheld Mic or WLT Lavalier/headset
Mic bodypack transmitters. One WA 120 wireless P.A. and one WHT or
WLT Transmitter on the same channel comprise a system.
• Powered externally with provided Universal Voltage 110V-240V AC
adapter, or internally with either 8 “D” cell alkaline or rechargeable
batteries or the optional RB-120 rechargeable battery
• Convenient internal built-in charger for optional RB-120 rechargeable
battery
• Small and lightweight—only 8.3” x 10.6” x 5.4” (211 x 270 x 137mm)
and 5.3 lbs. (2.4 Kg)
INTRODUCTION
2
3
MIC/TS
1. Wireless mic receiver antenna Pull out and extend fully for
optimum range
2. Power ON/OFF switch
3. MIC and AUX signal input jacks ¼” TS (mono)
4. Speaker
5. Power ON LED indicator
6. RF ON LED indicator Indicates reception of transmitter signal
7. Volume controls
8. Tone controls
9. Line/Record out jack Provides signal for recording or additional
amplication
10. Echo level control Controls the amount of echo/reverb in the
channel signal
1
2
3
4
56 7
8
9
CONTROLS AND CONNECTIONS
10
LINE/REC OUT
4
11. Storage compartment for AC adapter or optional
RB-120 12VDC rechargeable battery
12. Mounting hole for use with optional MST-4B tripod stand
13. Battery-mount for 8 X “D” batteries Used for internal battery
operation of unit
14. External DC input jack
15. RF mute threshold (squelch) adjust
16. Battery charging LED indicators
12
15
14
13
16
11
5
OPERATING INSTRUCTIONS FOR THE NADY WA-120
Powering the WA-120
• External Adapter
Plug the external provided AC/DC Adaptor into the External DC input
jack (14) socket. Then plug the AC/DC adapter plug into a standard
115VAC or 240VAC outlet (The AC adapter will detect the line voltage
automatically). Turn on the unit using the Power switch (2).
(Note: To avoid damaging your unit, use only the provided AC adapter
connected to the power input jack.)
• RB-120
The WA-120 can be powered internally using the optional RB-120 re-
chargeable battery. Observe the RB-120 battery positive (+) and nega-
tive (-) polarities when installing it into the Optional RB-120 recharge-
able battery slot (11) while the WA-120 is connected to AC power with
the provided AC adapter. If the Battery charging LED (16) turns red,
the RB-120 is not fully charged and should be allowed to charge while
the WA-120 is powered by the AC adapter. (Note: Turning off the WA-
120 Power switch (2) will allow the RB-120 to recharge more quickly.)
If the Battery charging LED indicator (16) lights green, the RB-120 is
fully charged and ready to power the WA-120 alone. Shut off the Power
switch (2) and disconnect the AC adapter. Turn the unit back “ON” and
the RB-120 will power the unit while still connected to the optional RB-
120 rechargeable compartment (11). The RB-120 can be easily stored in
the Storage compartment (11) while in use or transporting.
(Note: Connecting the AC adapter will automatically charge the internal
RB-120 battery power.)
(Note: Connecting the AC adapter will automatically disconnect the inter-
nal “D” cell batteries. The WA-120 does not recharge “D” cell batteries.)
• (8x) “D” Cell Batteries
The WA-120 can also be powered internally with (8x) ”D” cell batteries.
Insert the batteries while observing the correct polarity as marked. For
longest operation use only alkaline or rechargeable batteries. Replace
the batteries when the output volume drops or the range of the wireless
decreases.
(Note: The WA-120 does not recharge “D” cell batteries.)
Then MIC input (3) can be used to connect a hard wire MIC.
The REC OUT (9) can be connected to a recording device or to the input
jack of a power amplier to further amplify and enlarge the audio power.
For stereo to mono conversion of the signals, wire the connecting cord
as per the the following illustration:
Attention:
1. Iffeedback(howlingsound)occurs,tryrstturningdownthe
treble control (8). If feedback still is present, try turning down the
volume (7) or repositioning the WA-120 with respect to the wired
or wireless mic being used.
2. Extend the antenna (1) fully whenever using the wireless micro-
phone to ensure optimum performance and maximum range.
Wiring Illustration
6
7
Stand Mounting the WA-120
The WA-120 can be mounted on
the optional MST-4B aluminum
tripod stand for convenient place-
ment in a higher position. Contact
your dealer or the Nady service
department. (See Page 12)
The WA-120 contains a built-in high quality quartz-locked, xed
frequency VHF wireless receiver precisely matched to the Nady WHT
or WLT transmitter supplied; therefore generally no adjustments
besides audio volume are required. In high RF activity environment, the
MUTE (16) also needs adjusting to eliminate interference.
• After the amplier has been turned on by the main Power switch
(2), turn the wireless receiver’s MIC/TS Volume control (7) slightly
clockwise.
• Switch on the wireless microphone and the RF receiving indicator (6)
will light up indicating normal reception.
• Adjust the MIC/TS Volume control (7) clockwise (CW) for the desired
audio level.
• The MUTE control (16) affects the usable distance. Turn CCW for
maximum range or CW for minimum range, which also reduces the
chance of RF interference and resulting audio noise at the limit of
the operating range or when transmitter is off. A range walk test will
determine the required setting.
Note: If using more than one wireless microphone (handheld and/
or bodypack) on the same frequency, switch only one on at a time.
Microphones on the same frequency will interfere with each other.
However, one wireless microphone can be used with two or more
WA-120 wireless ampliers with the same frequency simultaneously to
increase the overall sound level.
WA-120 WIRELESS MICROPHONE RECEIVER OPERATION
WHT Handheld Microphone Transmitter
8
3
2
1
Battery LED
Power Switch
Battery Tube
Andere Handbücher für WA-120
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5
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