Dynex DX-M1113 - Hands-Free Wireless Microphone User manual

USER GUIDE
GUIDE DE L’UTILISATEUR • GUÍA DEL USUARIO
Dynex Hands-Free Wireless
Microphone
Microphone sans fil mains libres de
Dynex
Micrófono Inalámbrico de Manos
Libres de Dynex
DX-M1113
DX-M1113.fm Page 1 Tuesday, September 19, 2006 7:07 AM

2Contents
Dynex DX-M1113 Hands-Free
Wireless Microphone
Contents
Important safety instructions ...................................2
Wireless microphone components ............................3
Setting up your wireless microphone .......................6
Using your wireless microphone ...............................7
Troubleshooting .......................................................8
Specifications ...........................................................9
Legal notice ............................................................11
Français.......................................17
Español .......................................33
Important safety instructions
Location
• Do not use your receiver or transmitter in an area with a
high magnetic field.
• Make sure that the receiver is at least 10 feet (3 meters)
above the floor and 10 feet (3 meters) from surrounding
walls.
• Do not place the receiver or transmitter in direct sunlight.
Do not expose the receiver or transmitter to rain or
moisture.
Repairs
Do not try to repair your wireless microphone yourself. Opening the case
could expose you to high electrical voltage. Refer all service to qualified
service personnel.
DX-M1113.fm Page 2 Tuesday, September 19, 2006 7:07 AM

Wireless microphone components 3
Handling
• Do not drop the receiver or transmitter.
• Do not set anything on top of the receiver.
Wireless microphone components
Package contents
You wireless microphone comes with:
• Headset
•Transmitter
•Audiocable
• Receiver
• Volume adjustment tool
• Two AA batteries
• One 9 V battery
•Userguide
You wireless microphone features:
• High-frequency and mid-frequency narrow band filters to
reduce interference from stray signals
• Built-in headset antenna
• Quartz crystal oscillating circuits that insures a steady
frequency
• Audio compression and expansion technology that provide
rich sound at low volume
DX-M1113.fm Page 3 Tuesday, September 19, 2006 7:07 AM

4Wireless microphone components
Receiver
Component Description
1 Antenna Receives RF signals from the transmitter. Fully extend the
antenna for the best reception.
2 RF indicator Lights when receiving RF signals from the transmitter.
3 OFF ON Turns the receiver on and off.
4 POWER indicator Lights when the receiver is turned on.
5 AUDIO OUT jack Connect an external amplifier to this jack.
6Battery
compartment Insert two AA batteries into this compartment.
POWEROF N
RF
DX-M1113.fm Page 4 Tuesday, September 19, 2006 7:07 AM

Wireless microphone components 5
Transmitter
Volume adjustment tool
Component Description
1 Power switch Turns the transmitter on and off.
2 Power indicator Lights when the transmitter is turned on.
3 Volume control Turn the volume control with the volume adjustment tool
to adjust the volume if you experience signal interference
from other devices.
4 AF input Plug theheadset into this jack.
DX-M1113.fm Page 5 Tuesday, September 19, 2006 7:07 AM

6Setting up your wireless microphone
Setting up your wireless
microphone
The following illustration shows two basic ways to connect your receiver
to an amplifier.
Note: When you install the receiver, make sure that it is at
least 10 feet (3 meters) off the floor and at least 10 feet (3
meters) away from surrounding walls.
To set up the receiver:
1Place the receiver on a flat, stable surface.
2Fully extend the antenna, and makesure it is perpendicular
to the receiver.
3Open thebattery compartment, install two AA batteries
into the battery compartment, then close the
compartment. Makesure that the + and – symbols on the
batteries align with the + and – symbols inside the battery
compartment.
4Plug one end of the audio cable into the AUDIO OUT jack on
the receiver.
Audio mixer
Receiver
Amplifier
Speaker
Karaoke amplifier
Speaker
DX-M1113.fm Page 6 Tuesday, September 19, 2006 7:07 AM

Using your wireless microphone 7
5Plug the other end of the audio cable into the MIX IN or
AUX IN on an external amplifier.
6Slide the power switch to the ON position. The POWER
indicator lights.
To install the transmitter battery:
1Slide the battery compartment cover to open the battery
compartment.
2Insert the 9 V battery into the battery compartment. Make
sure that the + and – symbols on the battery align with
the + and – symbols inside the battery compartment.
3Slide the cover to close the compartment.
Using your wireless microphone
Note: You can use your wireless microphone within a range of
164 feet (50 meters) of the receiver. The ideal range is 82 feet
(25 meters).
To use your wireless microphone:
1Turn on the receiver.
2Plug the headset into the AF input jack on the transmitter.
3Place the headset on your head.
4Turn on the transmitter.
5If you experience interference from nearby devices, use the
volume adjustment tool to adjust the volume.
DX-M1113.fm Page 7 Tuesday, September 19, 2006 7:07 AM

8Troubleshooting
Troubleshooting
Caution: Do not open the open the receiver or transmitter
cases. There are no user serviceable parts inside.
Symptom Possible solution
Receiver is turned on, but POWER
indicator does not light. • Make sure that the batteries are installed correctly. You must match the + and –
symbols on the batteries with the + and –
symbols in the battery compartment.
• Make sure that the batteries have a charge.
Change the batteries, if necessary.
The RF indicator lights when
speaking into the headset, but
there is no sound.
• Make sure that the volume control is not
set too low.
• Make sure that the audio cable is
connected securely to the receiver and
amplifier.
The signal range is too small. • Make sure that the antenna is fully
extended.
• Make sure that the batteries are installed
correctly. You must match the + and –
symbols on the batteries with the + and –
symbols in the battery compartment.
• Make sure that the batteries have a charge.
Change the batteries, if necessary.
• Make sure that the receiver or transmitter
are not located within a magnetic field.
DX-M1113.fm Page 8 Tuesday, September 19, 2006 7:07 AM

Specifications 9
Specifications
Transmitter
Sound quality is poor. • Make sure that the batteries are installed
correctly. You must match the + and –
symbols on the batteries with the + and –
symbols in the battery compartment.
• Make sure that the batteries have a charge.
Change the batteries, if necessary.
• Make sure that no other devices in the area
are operating on the same frequency as
your wireless microphone. Devices using
the same frequency should be at least 328
feet (100 meters) apart.
Carrier Frequency VHF 170 to 270 MHz
Frequency stability < ± 30 PPM
Frequency response 50 Hz to 15 KHz ± 3 dB
Dynamic range > 90 dB
Total harmonic distortion < 0.5%
Audio output level Separate type: 0 to ± 400 mV
Mix type: 0 to ± 200 mV
RF power output 30 mW
Current loss 60 mA
Range 164 ft. (50 m) (max.)
Pickup Dynamic or condenser
Battery 9 V
Symptom Possible solution
DX-M1113.fm Page 9 Tuesday, September 19, 2006 7:07 AM

10 Specifications
Receiver
Transmitter power 8.5 mW
Modulation type FM
Maximum deviation ± 25 KHz
Spurious emission > 40 dB (with carrier)
Battery life 6 to 8 hours
Sensitivity 6 uV @ sinad=12 dB
Spurious rejection ≥85 dB (typical)
Image rejection > 75 dB (typical)
SNR > 90 dB
AF output 0 to 300 mV
Receiving channel 1 channel
Power DC 3 V
Power consumption 170 mW
De-emphasis 50 uS
Border on channel rejection >80dB
DX-M1113.fm Page 10 Tuesday, September 19, 2006 7:07 AM