RadioHead 2 Way Radio System Instructions
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Below you will find instructions that will make use and operation easy.  As always, if you are missing an item, have a question, or want to talk to a technician, we are a phone call away at 1-877-357-7223. 

1.  Check to make sure all ordered parts are present.  Batteries, cables and chargers may ship from other locations.  If you do not have these items, a note indicating separate shipment should be in your package. 

2.  Don’t panic, we understand this may be your first experience with radios, there is nothing you can do short of a forest fire or flood that will damage the radios or cables during installation. 

3.  Your radios should have shipped with new batteries installed.  Remove the chargers and radios from your package and immediately place them on charge.  This can be done by simply plugging the power supply into the back of the charging base and then placing the 2 prong 110v wall plug into the wall.  Next place the radio into the charging base.  Some radios will fit tighter than others.  If the battery is installed properly and the unit is plugged in, you should see a red, orange or green light.  It is critical to charge these batteries for a full 18 hours before the initial use.  Not all chargers will change from red to green when complete.  Some chargers are equipped with a red button that will allow you to rapid charge that unit.  We strongly recommend that you DO NOT USE this feature.  It will indeed charge you battery fast but it will also greatly shorten the life of you battery.  If you need  a quick fix, short charging will not damage the battery if done periodically.  

4.  Locate your helmet microphone kit.  We offer two styles of kit.  If your microphone kit is black, installation is a breeze.  The unit is assembled and the lining of the helmet will need to be pulled back to ensure a good install.  ( see installation instructions)  If you have received a blue kit or a kit that contains 3 pieces, follow the instructions on the attached form.  The 3 piece kit it to be heat shrink together, do not use solder, tape or butt splices. 

5.  Locate the car harness.  This unit will be the item that has three large wires coming out of a small black box.  One wire will have silver or gold end, this end will plug into the helmet kit.  The next wire running from the box will have a 3 prong female end, this end is where the push to talk button will be installed.  The last wire is the radio interface cable and will be plugged into the audio accessory jack on top or side of the radio.  When installing in the car, it is fine to tie wrap the cables to the roll bars.  Be sure to keep box and radio at least three 3 feet from MSD or master disconnect switch. 

6.  Locate driver ear pieces.  These will typically be black wires with orange or other brightly colored foam on the ends.  The foam end goes into the drivers ear, the connector end will also plug into the helmet. 

7.  Locate the push to talk button, this part will have a coil cord and a hard plastic box with a button in the middle.  This unit will be installed on the steering wheel.  Be sure to leave plenty of slack in the cord when installed.  This is the most common item broken in a racing incident.  (running over banana peels, eating fried chicken before the race and hands slip of wheel etc.)  The button really only needs to be attached hard at the harness connection end.  

8.  If your kit has and external antenna, you will need to drill a hole in the roof or back window of the racecar.   Start with a ¾ inch hole.  Gently ream it until the brass end on the cable barely fits through opening.  Then attach the larger brass nut and pole antenna.  Do not turn more than ¼ turn once assembled.  Next, install the antenna adapter in place of the radio antenna.  This will allow the antenna cable to adapt to the radio. 

9.  Locate the headset and headset cable.  Some headsets will ship with cable attached.  If the cable and headset are separate, simply plug the 2 prong end of the cable into the radio and the 5 pin female end into the 5 pin male end on headset.  To activate the mic, press the pt button on the headset.