So now that I have the VOX and PTT-03 / Bike to Bike radio issue more or less resolved, the next and final issue that I want to work out with this communication system is the following one:
The "standard" cable configuration for hooking up a Zumo 550 GPS to a Starcom1 Advance (and also the "Digital") has you use the MIC-01 cable run from the Zumo 2.5mm microphone jack to the 3.5mm "Phone" jack on the Starcom, and you use a MUS-04 cable between the stereo audio output jack on the Zumo to the "Audio" input jack on the Starcom. These 2 cables must be used because both the Starcom and Zumo will be powered from the bike and need the ground line isolation they provide. With these cables installed you can fully utilize all of the features of the Zumo through the Starcom: GPS prompts, MP3 or XM music audio and your BT cell phone paired to the GPS so you can manipulate calls via the GPS touchscreen, but you cannot use VOX.
Should you decide to enable the Starcom VOX so that the music from the GPS gets muted when speaking to your passenger ( by turning up the VOX sensitivity control on the Starcom) the VOX will mute, not only the music, but all audio from the GPS including any GPS prompts and (most importantly) the incoming audio from your cell phone.
What ends up happening when you try to have a phone call is you say something to the party on the other end of the phone and then all audio is muted for 5-6 seconds. No good.
Proposal:
I have a copy of the Zumo 550 owners manual and I see that you can configure which of the various functions' audio output goes to the outgoing bluetooth connection. This is not the same bluetooth connection that you pair your phone to. This is the one that would allow you to use a bluetooth headset in your helmet. Of course we all know that you can't send XM music over this profile at all, and any MP3 routed through this bluetooth profile will be monoaural. So we use the Starcom1 or Autocom wired connections.
My thought is that we could hook up a bluetooth dongle to the "Aux" connector of the Starcom, configure the Zumo to send just the GPS prompts and phone calls through that bluetooth profile, and leave the MUS-04 and MIC-01 cables hooked up as "normal" for just the MP3 and/or XM music audio. Since only the Audio port of the Starcom1 gets muted by VOX I think this should resolve this problem.
My questions are:
Has anyone already tried this?
Would this work?
Do you still need to run the MIC-01 cable or could you just hook the dongle up to the "Phone" port of the Starcom1?
Any suggestions for dongles that would be less expensive than the Starcom1 Bluetooth module and relatively convenient?
The "standard" cable configuration for hooking up a Zumo 550 GPS to a Starcom1 Advance (and also the "Digital") has you use the MIC-01 cable run from the Zumo 2.5mm microphone jack to the 3.5mm "Phone" jack on the Starcom, and you use a MUS-04 cable between the stereo audio output jack on the Zumo to the "Audio" input jack on the Starcom. These 2 cables must be used because both the Starcom and Zumo will be powered from the bike and need the ground line isolation they provide. With these cables installed you can fully utilize all of the features of the Zumo through the Starcom: GPS prompts, MP3 or XM music audio and your BT cell phone paired to the GPS so you can manipulate calls via the GPS touchscreen, but you cannot use VOX.
Should you decide to enable the Starcom VOX so that the music from the GPS gets muted when speaking to your passenger ( by turning up the VOX sensitivity control on the Starcom) the VOX will mute, not only the music, but all audio from the GPS including any GPS prompts and (most importantly) the incoming audio from your cell phone.
What ends up happening when you try to have a phone call is you say something to the party on the other end of the phone and then all audio is muted for 5-6 seconds. No good.
Proposal:
I have a copy of the Zumo 550 owners manual and I see that you can configure which of the various functions' audio output goes to the outgoing bluetooth connection. This is not the same bluetooth connection that you pair your phone to. This is the one that would allow you to use a bluetooth headset in your helmet. Of course we all know that you can't send XM music over this profile at all, and any MP3 routed through this bluetooth profile will be monoaural. So we use the Starcom1 or Autocom wired connections.
My thought is that we could hook up a bluetooth dongle to the "Aux" connector of the Starcom, configure the Zumo to send just the GPS prompts and phone calls through that bluetooth profile, and leave the MUS-04 and MIC-01 cables hooked up as "normal" for just the MP3 and/or XM music audio. Since only the Audio port of the Starcom1 gets muted by VOX I think this should resolve this problem.
My questions are:
Has anyone already tried this?
Would this work?
Do you still need to run the MIC-01 cable or could you just hook the dongle up to the "Phone" port of the Starcom1?
Any suggestions for dongles that would be less expensive than the Starcom1 Bluetooth module and relatively convenient?