GWD 910 / 915
Wireless Microphone System Owner’s Manual
7
System Overview
Wireless Microphone GWD915T/910T
Battery Selection and Installation
The GWD915/910 wireless microphone is
powered by a rechargeable lithium-ion battery.
The wireless microphone 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.
Transmitting Antenna
The GWD915/910 Wireless Microphone includes a
flexible antenna, which is package separately to
prevent damage. Remove the antenna from the
package and tighten the antenna to the wireless
microphone. For best result, allow the antenna to
extent fully. If the signal is marginal, please
experiment with different wireless microphone
position on your body. Do not attempt to remove,
replace or change the length of the transmitting
antenna, which might result in damage of the
audio system and may violate FCC regulation
Wireless Microphone Contact
The wireless microphone contact is used to
synchronize the frequency of the wireless
microphone and the receiver. It is also the contact
for the battery charger.
Microphone special function note:
Special OOR Mode: Turn OFF Buzzer and Vibrate Alter to avoid the police become
shooting target when he chasing suspects and running out of
radio range (OOR) -- (Use Control command)
Suspend Enable: When microphone out of radio range or police off duty over 3
hours, Microphone goes into suspend to save Battery Power.
Suspend wake up: 1. Press microphone REC Button (Big) direct to On Air (Record).
2. To sync with Receiver or contact the charger again.
OAD (Over Air Download Program): Auto overwrites Mic. compatible firmware when
sync with incompatible Receiver. (All LED blinking around
60Sec then Beep 3 times to finish OAD process)
** During OAD can’t move out battery or to sync, but it can press REC Button**
GWD 910 / 915
Wireless Microphone System Owner’s Manual
8
System Overview
APL (Auto Police Location)
Body GPS Wireless Microphone / GWD915T
APL (Automatic Police Location) Function: The Body GPS Mic. can send police real
time location and body motion (walking, running, lying) from 2,000~3,000 feet to patrol
car and PD when police in emergency or chasing suspects.
The PD can use dispatch or mapping system share the location coordinates and
body motion to other patrol car for quickly support and rescue.
When police walking out of patrol hit or attacked by car or suspect, also police
suddenly running to chase suspect, the Body GPS microphone can auto trigger
recording and send back location to PD for quickly support and rescue.
GPS Location Data Output Rule and Power Mode:
1. When Police moving over 10M (30 feet) - output one coordinate.
2. Moving in 10M (30 feet) - Every 1 minute output one coordinate.
Continue Power Mode:
Continue tracking satellites after 3D fixed (
High Accuracy
)
Saving
Power Mode:
Every time GPS 3D fixed, the GPS go to sleep for 10 seconds
then wake up for satellites acquisition until the GPS 3D fixed again.
