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 3. GQ EMF EF Meter RF Spectrum Power Analyzer
 EMF-390 How to Get Updates? Cable Required?
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5 Posts

Posted - 07/16/2020 :  02:50:39  Show Profile  Reply with Quote
I bought a GQ EMF-390 on 9th July 2020.

1). Where do I find its serial number? Please answer here; I can't find it on this website.

2). How do I get free firmware updates? Exact website? Are these important & frequent?

3). What exact cable do I need for updates? I have USB-A & C sockets for my MacBook.

4). What is the circular hole for on the side of the device?

These are very basic question which are not answered elsewhere. Thank you in advance.
Reply #1


1645 Posts

Posted - 07/16/2020 :  08:58:04  Show Profile  Reply with Quote
Hi Trevor,
1. It is under Main Menu->About->Serial #.
2. You need to send or me an email with your serial number.
3. The cable included with the device can be used standard USB cable. And a PC (updates does not support Mac at the moment).
4. That is currently no use at the moment.
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Reply #2


5 Posts

Posted - 08/12/2020 :  03:21:43  Show Profile  Reply with Quote
I'm a Mac user, so look forward to updates at your earliest convenience.

You might be interested in this review from Australia ...
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