VR-N7500 observations & questions

[Christian Arnaut]

Bought and installed a VR-N7500 in the car. So far, it looks like quite a rig for mobile use. The APRS integration is especially good. Just a few of the typical issues with the learning curve and documentation. Lots of trial-and-error ;)

I have couple observations from my experience with the radio so far.

1. Is there a limitation with the APRS beacons where, if selected, the supply voltage can be enabled for both Internet and RF beacon packets, but 'Send operating frequency' only goes out on Internet beacon packets and not on RF packets? Would be handy to have that feature when only on RF.

2. Is the ability to have an audio Bluetooth connection to car audio only available if not connected to the HT mobile app? I'm having issues attempting to pair with the HT app running.

3. If multiple Bluetooth audio connections are not possible (from question above), than APRS beaconing will be inaccurate while connected to the car, correct? Without the HT app and GPS coordinates from a mobile device, the beacon packets will contain cached coordinates, right?

Thanks, in advance, for any feedback

~Christian

N1COW

[Marnoch Standen]

Hi Christian

 

Try and answer your questions.  In the google groups documents there should be several that I did for getting started and operating APRS mobile on a motorcycle.

1.       There is no limit and when driving I would set the Beacon time for RF to every 60 seconds and possibly internet to 5 minutes, as every 60 sec at 60 MPH is 1 mile. Sorry to say there is no Smart Beaconing. I had not noticed the operating frequency and I have never heard anybody call on this as I use a Kenwood which takes the frequency automatically.  It needs to be on RF but if nobody calls you on it.

2.       The N7500 does have a rear audio port that can help you. It will only really take 1 BT item at a time. I have seen somebody take audio out of the rear, turn it into broadcast FM for the vehicle FM radio. Very cheap option. In the UK it’s now got so risky about using a phone and app while driving its banned, with heavy fines & looked down at by other people.

3.       Correct 1 BT connection at a time or they get confused. If you set up the APRS correctly, fixing the APRS channel in the settings, then the radio will beacon after you stop talking switch quickly to the APRS and send the data, the positioning and timing is good and acceptable to all… it’s not military  spot location. Yes it does need the app to be running to give its position or the BHM-78 which has a screen and GPS built into it and you can do away with the phone. If the phone goes flat or out of BT range then it will beacon the last position it received.

 

The radio so developed over the past 4 years there is a new one coming out which you may have seen. The N7600 has been announced but price and date is now restricted due to taxes and certain person putting the world financial markets into a mess for all….. This new radio will fill the gaps as it has a screen in the microphone and GPS.

Vero have announced the delay for further information till May. But have released the GMRS only version sold badged for BTECH  as the GMRS – 50Pro….. $285    This is the N7600 which has been badged for BTECH…

 

https://baofengtech.com/product/gmrs-50pro/?utm_source=newsletter-gmrs-50pro&utm_medium=email&utm_campaign=gmrs-50pro&fbclid=IwY2xjawJ7SaFleHRuA2FlbQIxMQBicmlkETBxMDl4SW9JVk5oMmtTQmN6AR5xqhDVQrVkiI-nNxILY6_jQsGj3ARxvAZtJ4bZgrwiOxVgg-w8OG5kIR_v0w_aem_qtMexr1fUvhFXqMFj3usQg

 

Hope my comments have been of a help.

 

Min G0JMS

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[John McMahon]

Christian,

As far as the bluetooth connection goes, you can definitely have a bluetooth audio device connected to the radio in addition to being connected to a phone with the HT app.  Alternatively, you can pair the audio device to the phone and listen to the audio through the phone (with added delay).  One of the keys to connecting any bluetooth devices to the radio is to use the connection management feature of the HT app.

Thx,

John

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