Android headunit (8227L) - call volume / radio volume / mic volume adjustment help (using ZLink for Apple CarPlay)

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larrens

New member
Feb 5, 2023
2
0
Hi

Hoping someone can assist.

I bought an Android headunit of eBay. (Brand is Podofo. Android 11 and has a chipset 8227L-Demo. User guide has SHA16/23 on the cover)
see link
https://www.ebay.com/itm/3543608658...84&osub=-1~1&crd=20230131021608&segname=11051

My only uses are: listen to the car radio; make and receive a call (Bluetooth or using CarPlay) and use CarPlay for navigation with Google Maps / Waze.

I have the following problems I am trying to resolve:
  1. If I am listening to the car radio, and then use CarPlay (in ZLink app) with Waze, the radio volume mutes when Waze provides a navigation instruction, but doesn't unmute after - this is really frustrating and means I cannot use the radio and navigation at the same time. (If I use Spotify in zLink it also mutes for an instruction, then unmutes after). Any ideas how to stop this happening? Could it be a Zlink app bug?
  2. When I plug my phone in and use CarPlay (wired), phone call volume is very soft / low - I can hardly hear the other person, yet navigation or Spotify is the right volume level. Any idea how to adjust default call volume?
  3. I have an external microphone plugged in - and the microphone is located near my head by the visor. People I talk to using Carplay phone app say they can hardly hear me. How do I increase the microphone volume pickup?

There are multiple settings menus eg. the headunit, under 'apps' and zLink to has settings. I have looked for volume / microphone adjustment but can't see anything obvious.
Is there is hidden admin menu somewhere?


Many thanks
 

Anton TNT

Senior Member
Sep 24, 2020
774
103
Croatia
Android Automotive OS
Hi

Hoping someone can assist.

I bought an Android headunit of eBay. (Brand is Podofo. Android 11 and has a chipset 8227L-Demo. User guide has SHA16/23 on the cover)
see link
https://www.ebay.com/itm/354360865815?mkevt=1&mkpid=0&emsid=e11051.m43.l1123&mkcid=26&ch=osgood&euid=98c26230615b4e0ca8e23c5a7d009b5f&bu=43199469284&osub=-1~1&crd=20230131021608&segname=11051

My only uses are: listen to the car radio; make and receive a call (Bluetooth or using CarPlay) and use CarPlay for navigation with Google Maps / Waze.

I have the following problems I am trying to resolve:
  1. If I am listening to the car radio, and then use CarPlay (in ZLink app) with Waze, the radio volume mutes when Waze provides a navigation instruction, but doesn't unmute after - this is really frustrating and means I cannot use the radio and navigation at the same time. (If I use Spotify in zLink it also mutes for an instruction, then unmutes after). Any ideas how to stop this happening? Could it be a Zlink app bug?
  2. When I plug my phone in and use CarPlay (wired), phone call volume is very soft / low - I can hardly hear the other person, yet navigation or Spotify is the right volume level. Any idea how to adjust default call volume?
  3. I have an external microphone plugged in - and the microphone is located near my head by the visor. People I talk to using Carplay phone app say they can hardly hear me. How do I increase the microphone volume pickup?

There are multiple settings menus eg. the headunit, under 'apps' and zLink to has settings. I have looked for volume / microphone adjustment but can't see anything obvious.
Is there is hidden admin menu somewhere?


Many thanks

Hi, tweak all sounds in factory settings (entered with pin code) on the menu SOUND or AUDIO.
For muting audio after waze - reinstall waze app or disable it and then enable it in settings and see if helps restore sound.
 

larrens

New member
Feb 5, 2023
2
0
Hi, tweak all sounds in factory settings (entered with pin code) on the menu SOUND or AUDIO.
For muting audio after waze - reinstall waze app or disable it and then enable it in settings and see if helps restore sound.
Thanks - where do I find the PIN code - do I need to get it from the manufacturer or are they typically generic PINs?
 

Anton TNT

Senior Member
Sep 24, 2020
774
103
Croatia
Android Automotive OS
Thanks - where do I find the PIN code - do I need to get it from the manufacturer or are they typically generic PINs?
No, you must access factory settings (button at HMI: at the right) in your infotainment menu when asks pin code enter specific pin for your device like 3268 0000 8888 123456 etc.
Once inside hidden menu , go to menu AUDIO or SOUND or VOLUME and set audio volumes
 
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    Thanks - where do I find the PIN code - do I need to get it from the manufacturer or are they typically generic PINs?
    No, you must access factory settings (button at HMI: at the right) in your infotainment menu when asks pin code enter specific pin for your device like 3268 0000 8888 123456 etc.
    Once inside hidden menu , go to menu AUDIO or SOUND or VOLUME and set audio volumes