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rio car dot org FAQ (Frequently Asked Questions)

Category: Main -> Car installation questions
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·  Where can I find basic information about car audio electronics and installation? 
·  Should I install the player myself, or should I have it installed by a professional? 
·  What are the most common installation issues? 
·  What exactly is a ground loop? 
·  If I am using a separate head unit, in what order should the outputs be connected? 
·  How do I run a subwoofer if the player doesn't have a subwoofer output? 
·  What are the known issues installing a Rio Car into my (model X) car? 
·  At what angle(s) can I mount it in the dash? 
·  What's the best way to keep the player safe from harm or theft? 
·  Can I run 4 volt outputs into 1 volt inputs? 
·  Can I hook up a steering wheel remote? 
·  Can I mount it in the trunk or the glove box? 
·  Can I run a display extension or 'Y' off the display board? 
·  Can I output the display to a video monitor? 
·  Can it control a CD changer, or be controlled as if it were a CD changer? 
·  Is it difficult to remove the car docking sled? For instance, to install the tuner or move to another car? 
·  What's up with the 'Grounding leads' on the Mark 1 player? 
·  How can I fix the gap around the edge of the docking sled?? 
·  Will installing the player affect my car alarm or my keyless-entry system? 
·  I have no room directly behind the sled for my tuner module. Can I make the cable longer? 
·  Do I need to combine the front and rear outputs of the player when connecting to a 2-channel input? 
·  What are the pinouts of the sled docking connector? 

·  I can't get my cell phone mute feature to work.
 (Entry last updated on March 4th, 2004)

First, make sure it's wired correctly. The green wire coming off of the sled wiring harness is the cell phone mute, and should be connected to the corresponding wire on your cell phone kit.

Next, make sure there's not a conflict with the serial port plug in the docking sled. The cell phone mute wire shares a pin with the serial port plug. So if you're using the serial port plug for something else such as a GPS, you might want to make sure that the corresponding wire is disconnected from the serial plug.

Then, open the "Configure Player" screen in Emplode and select the "Mute" tab to control how the player should behave when the cell phone mute is on. The behavior will depend on whether your phone kit's mute line goes high or goes low when it's off-hook, you need to tell it which kind of phone mute you have. If you don't know, you can test your phone kit with a multimeter.

Note that some phone kits, instead of switching between 0v and 12v, will switch between grounded (0v) and open-circuit. In that case, the 0v/12v sensing won't work and you'll need to make a modification to the wiring in order to make it work. Attach a 10k ohm resistor between +12v and the mute wire, similar to the power antenna solution described here. After that, the 0v/12v sensing should work.

·  Now that I've got my player installed, how do I get the best sound? 

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