Gomet Technology GWD900R Wireless Microphone Base Station User Manual
Taiwan Gomet Technology Co., Ltd. Wireless Microphone Base Station
User Manual
Taiwan Gomet Technology
GWD900 Weather Resistance
Wireless Microphone System
Owner’s Manual
Taiwan Gomet Technology Co., Ltd.
No.8-1, Lane 212, Sec. 1, Chung-Shan N. Rd.
Tamsui, Taipei
Taiwan
Tel: 886-2-2621-8029
Fax:886-2-2623-7605
service@gomet.com.tw
GWD 900 Series Wireless Microphone Owner’s Manual
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General Specification
Modulation Mode: Bi-Directional DSS (Digital Spread Spectrum)
Frequency: 904 MHz~ 926MHz
Handset RF Power Output:17dBm (Peak).
Base Station RF Power Output:15dBm (Peak).
Operating Range: 1000 ft.
Battery: 3.6V Rechargeable Li-Ion battery (Handset)
12Vdc from Car (Base Station)
Air Time: 12 ~ 14 hours of continuous operation
Standby Time: 12 ~ 15 days
Microphone: Internal microphone without lavaliere
Channels: 20 Channels with Automatic Synchronization
This GWD900T is protected against water splashes and dust.
GWD900R, the base station will transmit a signal to turns ON and shut OFF
the GWD900T handset Microphone when recording is activated or deactivated
through the camcorder
GWD900T handset is also able to trigger camcorder by GWD900R base
station to activate digital video recording.
Any GWD900T handset will work with any system that is equipped with
GWD900R base station - Automatic Synchronization
Build-in Programmable Function Button, Panic Button & Mute Button
LCD indicators are used for status on mute, ON/OFF, signal, battery and
panic functions.
GWD900T/R will automatically detect radio frequency noises, channel
conflicts and cross talks with as many as 20 vehicles in close proximity,
and perform auto switch to ensure clear communication and recording.
GWD 900 Series Wireless Microphone Owner’s Manual
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Hardware Overview
GWD900T GWD900R
Handset Base Station
GWDCHG01 Charger
AC Wall Charger Cable & DC In-Car Charger Cable
GWD 900 Series Wireless Microphone Owner’s Manual
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4
5
3
2
1
System Overview
Base Station - GWD900R
GWD 900 Series Wireless Microphone Owner’s Manual
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System Overview
Base Station - GWD900R
Receiver’s Register Contact
The register contact is used to synchronize the frequency
of the receiver and the wireless microphone.
Green LED (Microphone)
Green LED OFF for Standby Mode
Green LED ON for Recording Mode
Green LED OFF for Function ON (Mute ON) under
Recording Mode
Red LED (Panis)
Red LED OFF for Panic Mode OFF
Red LED ON for Panic Mode ON
Yellow LED (Signal level)
Yellow LED OFF for Strong Signal
Yellow LED ON for Signal is Marginal or Weak
Red LED (Battery)
Red LED OFF for Full Battery
Red LED ON for Low Battery with 1 Minute 1 time Buzzer
Warning Tone
1
2
3
4
5
GWD 900 Series Wireless Microphone Owner’s Manual
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System Overview
Base Station - GWD900R
Antenna
To prevent damage, antenna for the
Base Station is package separately.
Remove the antenna from the
package and tighten the antenna to
the Base Station. Do not try to
lengthen, shorten, or temper with the
antennas, which might result in
damage of the audio system and may
violate FCC regulation
Power Connection
The Base Station has no ON / OFF
switch. The Transceievr will become
energized in standby mode whenever
the system is ON.
Register Contact
The register contact is used to synchronize the frequency of the
Base Station and Handset.
GWD 900 Series Wireless Microphone Owner’s Manual
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System Overview
Handset - GWD900T
LED Indicators (Within the Button 1 &2)
Green LED (Within Button 2)
Green LED OFF for Standby Mode
Green LED ON for Recording Mode
Green LED Blinking for Low Battery
(With every Minute Buzzer Warning Tone)
Red LED (Within Button 1)
Red LED OFF for Panic Mode OFF
Red LED ON for Panic Mode ON
Red LED Blinking for Mute (Function)
(With every 4 Sec. Buzzer Warning Tone)
Yellow LED (Within Button 2)
Yellow LED OFF for Strong Signal
Yellow LED ON for Signal is Marginal
or Weak
Button One:
Audio ON (Press Button 1 once)
This action will initiate the wireless microphone from standby
mode to recording mode. To stop recording, press the stop
button on the Coban VMDT monitor module. This is to prevent
accidental shut off of the wireless microphone recording.
Panic ON (Press and hold Button1 for 3 second)
When Panic Button is held down for 3 seconds while the
wireless microphone is on the standby or recording mode, the
wireless microphone will automatically send a panic signal to
1
3 4
2 1
GWD 900 Series Wireless Microphone Owner’s Manual
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System Overview
Handset - GWD900T
the Coban VMDT system; the signal will be relayed back to the
Base Station for process. (This function is only available if the
wireless communication is established)
The Panic Mode may be deactivated by holding down the
Panic button for another 3 seconds.
Button Two: Programmable Button
Mute ON (Press Button 2 once During Recording Mode)
This action will mute the audio recording, however it will not
stop the video recording. Press Button Two again to Un-Mute.
Warning Features (Press Button 2 During Standby Mode)
Warning cycle: Tone, Vibrate, Tone & Vibrate, and LED Only
(Press one time) for Tone only
(Press two times) for Vibration only
(Press three times) for Tone & Vibration together
(Press four times) for LED warning only
(Press five times) repeat warning cycle again to Tone only
Buzzer Produce Warning Tone
Microphone Audio Input
2
4
3
GWD 900 Series Wireless Microphone Owner’s Manual
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System Overview
Handset - GWD900T
Battery Selection and
Installation
The GWD900T is powered
by a rechargeable lithium-
ion cellular phone battery.
It is lightweight and
environmental friendly. The
handset housing is
designed to prevent
incorrect installation of the
battery. Do not force the
battery in to the housing.
Reversed batteries may
cause damage to the
wireless microphone. The
battery compartment is
located at the bottom of the
wireless microphone. Slide
off the battery cover and
remove the silicon seal, at
this point the battery is free
to slide out.
GWD 900 Series Wireless Microphone Owner’s Manual
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System Overview
Handset - GWD900T
Antenna
The GWD900T Handset includes
a flexible antenna, which is
package separately to prevent
damage. Remove the antenna
from the package and tighten the
antenna to the Handset. Do not
attempt to remove, replace or
change the length of the antenna,
which might result in damage of
the audio system and may violate
FCC regulation
Register Contact
The Handset contact is used to
synchronize the frequency of the
wireless microphone and the
receiver. It is also the contact for
the battery charger.
GWD 900 Series Wireless Microphone Owner’s Manual
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Operating Procedure
The GWD900T is designed to eliminate unnecessary hassle of
pairing a receiver with a particular wireless microphone. With the
latest technologies, the GWD900T is able to synchronize the
frequency of any GWD900T Handset with any GWD900R Base
Station.
Just follow these few simple instructions to ensure maximum
performance:
1. Check out any GWD900T handset and make sure it is
fully charged before operation.
2. Please be sure the System is ON before proceeds any
further.
3. Slide the Handset
contact directly on
top of the Base
Station register
contact until a
confirmation tone
has sound. This
indicates the
register contact
has synchronized
the frequency of
the Base Station
and the Handset is
now on standby
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Operating Procedure
mode and is ready for
use.
4. Please only synchronize one Handset to one Base Station.
5. There are two methods to activate recording on the
wireless microphone:
a. Press the ON or Panic Button once on the
wireless microphone for recording.
b. Activate video recording at the System
This action will automatically trigger wireless
microphone recording.
6. To prevent accidental audio shut off. The only way to
return Handset to standby mode from recording mode is to
stop the video recording from the System.
7. During recording mode, if the warning sounds and the
yellow LED flash, this means the signal is marginal or
weak. At this time, please step closer to the Base
Station or reposition the Handset until the warning stops.
However, if the warning persists and exceeds 30
seconds, the Handset will automatically shut off and
return to standby mode. If user returns within the signal
range again while the video is still recording, the Base
Station will re-initiate the wireless microphone
automatically.
8. For charging, simply place the wireless microphone to
the charger (GWDCHG01) and leave it charging for at
lease 6 (six) to maximize battery capacity.
GWD 900 Series Wireless Microphone Owner’s Manual
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Federal Communications Commission
(FCC) Statement
You are cautioned that changes or modifications not expressly
approved by the part responsible for compliance could void the
user’s authority to operate the equipment.
This equipment has been tested and found to comply with the limits
for a Class B digital device, pursuant to part 15 of the FCC rules.
These limits are designed to provide reasonable protection against
harmful interference in a residential installation. This equipment
generates, uses and can radiate radio frequency energy and, if not
installed and used in accordance with the instructions, may cause
harmful interference to radio communications. However, there is no
guarantee that interference will not occur in a particular installation. If
this equipment does cause harmful interference to radio or television
reception, which can be determined by turning the equipment off and
on, the user is encouraged to try to correct the interference by one or
more of the following measures:
-Reorient or relocate the receiving antenna.
-Increase the separation between the equipment and receiver.
-Connect the equipment into an outlet on a circuit different
from that to which the receiver is connected.
-Consult the dealer or an experienced radio/TV technician for help.
You are cautioned that changes or modifications not expressly
approved by the party responsible for compliance could void your
authority to operate the equipment. .
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FCC RF Radiation Exposure Statement:
1. This Transmitter must not be co-located or operating in
conjunction with any other antenna or transmitter.
2. This equipment (Base Station)complies with FCC RF radiation
exposure limits set forth for an uncontrolled environment. This
equipment should be installed and operated with a minimum
distance of 20 centimeters between the radiator and your body.
http://www.gomet.com.tw
GWD 900 Series Wireless Microphone Owner’s Manual
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© 2003 Taiwan Gomet technology Co., Ltd.