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Old 01-08-2013, 11:33 AM   #151
SVXdc
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The OEM mic is inside a module with a small amplifier circuit (which requires power). Its output won't be compatible with an aftermarket HU without modification. See this thread.

If anyone wants to pursue that, I can add those extra wires to my 16-pin aux harness.

But when people ask me about installing an aftermarket HU's mic in the stock location (possibly even reusing the factory wiring), I suggest they try their new HU's mic temporarily located in several spots around the car, to see which picks up your voice the best and road and wind noise the least.

If you do want the new mic in the OEM location, it's really not that hard to tuck the wire behind the trim panels up to there. See install guides for the OEM sat radio tuner for instructions to actually open up the trim (the wire for the OEM sat radio antenna gets installed through there).
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Old 01-08-2013, 11:36 AM   #152
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Ah, I see what you're going to do, that's a very cool idea. I'll be doing something similar, since I do not have a front facing USB port, but I'll be running it to the little pocket area right underneath the HVAC controls.
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Old 01-08-2013, 12:31 PM   #153
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if the wiring harness shows up today, i don't see myself getting much more work done. real work, i mean.
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Old 01-08-2013, 12:44 PM   #154
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Cue Office Space.
"I'd say in a given week, I only do about 15 minutes of real, actual work."
add on "Even less if wiring for my awesome Nexus 7 install comes in"
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Old 01-08-2013, 01:25 PM   #155
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Could someone post how they wrote the code for tasker?

Just looking for a basic turn screen on, turn off air plane mode with power, and also the reverse.. turn on airplane mode, turn screen off when unplugged.
I have tried, but could not find the screen on or off option. I will play with it some more another day, but I just wanted to get it in the dash for now.

BT Mic, I found it super easy to place the JVC mic into the air vents right below the nexus, remove the swivel portion and it almost snaps into place behind the air diffusers, no complaints from people on the phone, and have yet to have anyone mention seeing it while in the car.

Also any reviews of the 12v plugs people purchased off amazon, and anyone tried an IR repeater yet? i would like to control the head unit with the provided remote.

** The android market app to control the JVC headunit has not worked for me yet. The reviews of the app show similar problems from other users, any luck from anyone on this board? Maybe someone with an android phone...?
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Old 01-08-2013, 01:31 PM   #156
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Quote:
Originally Posted by 08novaSTI View Post
Could someone post how they wrote the code for tasker?
You can do it all through the GUI. It's very simple:

On power:
- Turn on bluetooth
(There's no screen on action, I use the "Developer" setting in Android settings called "Screen on while charging" which keeps the screen on all the time)

Off power:
- Turn off bluetooth
- Screen lock (that's the action to turn screen off)
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Old 01-08-2013, 01:52 PM   #157
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zedix - perhaps you missed it. i'm curious which clips you've modified or removed to get the Nexus 7 into the new dash piece.
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Old 01-08-2013, 01:55 PM   #158
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Quote:
Originally Posted by sabregen View Post
zedix - perhaps you missed it. i'm curious which clips you've modified or removed to get the Nexus 7 into the new dash piece.
- I shaved the clips that hold the AC vents. I shaved all 4 clips until they were flush with the bezel. This means the 2 middle ones were shaved a bit more, and rendered useless, but the 2 side clips were shaved but still remained usable.

- I had to trim the top part of the dash that "receives" the clip from the bezel (top middle). It looks like a black hard plastic piece. I shaved maybe about 1/8 inch from it to accommodate the tablet.
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Old 01-08-2013, 01:55 PM   #159
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Quote:
Originally Posted by zedix View Post
You can do it all through the GUI. It's very simple:

On power:
- Turn on bluetooth
(There's no screen on action, I use the "Developer" setting in Android settings called "Screen on while charging" which keeps the screen on all the time)

Off power:
- Turn off bluetooth
- Screen lock (that's the action to turn screen off)
Ontop of this, might be overkill. But in SetCPU, I set the minimum and max voltage to a very low number, when screen is off.
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Old 01-08-2013, 01:59 PM   #160
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Posting another picture just because I love this thing so much! It survived the night at -20C last night

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Old 01-08-2013, 02:15 PM   #161
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Quote:
Originally Posted by zedix View Post
- I shaved the clips that hold the AC vents. I shaved all 4 clips until they were flush with the bezel. This means the 2 middle ones were shaved a bit more, and rendered useless, but the 2 side clips were shaved but still remained usable.

- I had to trim the top part of the dash that "receives" the clip from the bezel (top middle). It looks like a black hard plastic piece. I shaved maybe about 1/8 inch from it to accommodate the tablet.
awesome, thanks for that.

because alien
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Old 01-08-2013, 02:16 PM   #162
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Quote:
Originally Posted by zedix View Post
Posting another picture just because I love this thing so much! It survived the night at -20C last night



...lousy showoff. what widgets are those?
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Old 01-08-2013, 02:39 PM   #163
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another question for zedix, with the JVC HU and the AWSC and since you're doing audio from the N7 to the HU via 3.5mm jack... can you change tracks on the nexus 7 with the SWC's? i'm guessing no
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Old 01-08-2013, 02:40 PM   #164
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If you are connected via bluetooth, then yes you can skip tracks.
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Old 01-08-2013, 02:41 PM   #165
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Quote:
Originally Posted by sabregen View Post
another question for zedix, with the JVC HU and the AWSC and since you're doing audio from the N7 to the HU via 3.5mm jack... can you change tracks on the nexus 7 with the SWC's? i'm guessing no
No. Only if N7 and HU were paired via BT, then it works. I prefer the audio to go out 3.5mm though, so I can live with that.
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Old 01-08-2013, 02:42 PM   #166
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Quote:
Originally Posted by zedix View Post
No. Only if N7 and HU were paired via BT, then it works. I prefer the audio to go out 3.5mm though, so I can live with that.
3.5mm aux is much higher quality than Bluetooth.
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Old 01-08-2013, 03:18 PM   #167
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understood, and as expected. hopefully that doesn't drive me nuts
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Old 01-08-2013, 08:43 PM   #168
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you could probably make your own Arduino steering wheel control thing to work with the nexus.
i have no clue how to do anything of the sort, but people are doing some cool things with Arduino

Last edited by Rescuer; 01-08-2013 at 08:52 PM.
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Old 01-08-2013, 10:37 PM   #169
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Quote:
Originally Posted by onsit View Post
3.5mm aux is much higher quality than Bluetooth.
Bluetooth should technically be better quality. The reason is with Bluetooth it's an all digital path till it gets outputted by the speakers. With the 3.5mm Aux, the N7 has to convert it to analog to pass through the cable, then the radio has to convert it back to digital to process the signal, then back to analog to output to the speakers.

But, go with whatever sounds better to your ear, that's why I said Bluetooth should technically sound better because there are less conversions from digital to analog going on.

Also, if I wasn't in the Apple ecosystem I would totally do this setup! My iPad mini install is a pain in the ass and taking forever
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Old 01-08-2013, 11:29 PM   #170
sabregen
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I got everything wired up for the new HU, the ae64 harness, the AWSC and the USB 12v to 5v converter. I got the aluminum bar bracket fabricated, old face plate pulled, stock HU removed, and the new one installed. I also got the new double DIN faceplate brackets modified and did a test fit.

Compared to zenix's install though mine seems to be a bit harder. either the 2013 versus the 2010 impreza is the issue, or my new HU is deeper. either way, i can't shove mine back as far as his. additionally, i don't have the right angle OTG connector that i ordered... so my usb port hits the mounting clip, and i can't close it up just yet. maybe i'll go get a right angle cable tomorrow to hold me over until i can test the USB hard drive + charging idea.

but... the good news is that i'm in the home stretch. i did get the wiring all correct on the first try. i also found a new use for Plasti-Dip. i didn't have any electrical tape and the GND + 12V IGN wires each had 4 connections, which made them very thick. no electrical tape and didn't have any heatshrink big enough... so i Plast-Dipped the soldered connections on those two. two coats.

all of the awsc and volume and call controls work just as i had hoped, and the BT pairing was easy as hell to the new HU. I just need to get that right angle connector and button it up. my HU has he rear shoved into the top of the cavity it's in, with the face pointing down at an angle. once the Nexus 7 is in there, it won't be able to move.

zedix - do you ever go over a bump and have your N7 bump the click wheel on your JVC HU?

Last edited by sabregen; 01-08-2013 at 11:59 PM.
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Old 01-09-2013, 12:12 AM   #171
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the jvc app is garbage. doesn't control the HU... it's a music player. useless.

https://play.google.com/store/apps/d...51bGwsMSwyLDNd
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Old 01-09-2013, 01:01 AM   #172
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I know the nexus 7 is a great device but has anyone considered the Galaxy tab 2?

The tab 2 has fm reciever and an additional slot to use micro sd.

Nexus 7 better Google support and quad core.
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Old 01-09-2013, 10:19 AM   #173
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Guys! I have amazing news for you! The thread over at xda-developers finally brought the answer we've all been looking for!

To have your Nexus 7 turn on as soon as it receives power, it's a simple toggle in the bootloader:

Quote:
fastboot oem off-mode-charge 0
Just tweaked mine and in case it ever dies, it will now automatically turn on. No need to externalize the power button anymore!
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Old 01-09-2013, 10:58 AM   #174
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That's awesome news Zedix and cements my getting the N7 for the setup!
@rkl303: all of my friends have said the N7 is a superior device to the Tab2, for the reasons you mentioned and that it uses a standard micro USB connection and will be guaranteed to receive all Google updates pretty quickly. The connector is what killed it for me, to be honest.

Got the JVC KD-X80BT in last night, wired it up and installed it and this morning requested the RMA from Crutchfield. Sound was horrible via BT and taking/receiving a call was impossible as the sound would cut in and out quite often and at times not work at all. I have a Kenwood Excelon X696 on its way here, hopefully that'll work better.
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Old 01-09-2013, 11:10 AM   #175
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houston, i have a few problems:

1.) the call answer button isn't working. call hang up works fine and the voice command button puts the receiver in mute mode... or maybe it's muting output so that i can talk... not sure yet. i'm wondering if the call answer button not working is a function of not putting in the resistor (which i did not see), or the AWSC programming. need to research

2.) the JVC HU sits pretty far forward, is not secured left to right, or front to back. once the dash goes on, i doubt it will be as much of a problem. however, the click wheel on the left on the face of the unit protrudes far enough that if i put the dash trim on, the back of the Nexus 7 is smashed into the click wheel... this causes the HU to change which input it's looking at. i'm not sure how to get around this.

3.) my right angle micro USB connector hasn't shown up yet. without it, the micro USB plug for the Nexus 7 runs into the dash mount clip on the right side (looking at it from the front), so i cannot complete my install

still do do:

1.) get call answer button working
2.) wire up the hacked USB cable to the stock USB port under the arm rest
3.) figure out a way to secure the new JVC Arsenal HU so that it doesn't contact the back of the Nexus 7
4.) test OTG connector for charging + data (once received)
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