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Author Topic: hameg 1503-7 security key  (Read 12299 times)

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Offline rezapourkiaTopic starter

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  • Posts: 1
  • Country: ir
hameg 1503-7 security key
« on: January 09, 2024, 10:38:09 am »
Hi
I want to callibrate this oscop but when i want to factory reset oscop want "Press SeCURITY KEY!"
what i must do?
the main problem is i cant trim the Y axis  by potentiometer.
Thanks
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Offline Chris56000

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  • Posts: 913
  • Country: gb
Re: hameg 1503-7 security key
« Reply #1 on: January 09, 2024, 02:09:33 pm »
Hi!

. . .It might be an internally fitted press–button on the microprocessor PCB that opens an additional Service Menu – you might find this oscilloscope does not use preset potentiometer adjustments, being software calibrated with the adjustments stored in EEPROM or non–volatile memory!

Chris Williams
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It's an enigma that's what it is!! This thing's not fixed because it doesn't want to be fixed!!
 

Offline Hamelec

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  • Posts: 163
  • Country: de
Re: hameg 1507-3 security key
« Reply #2 on: January 10, 2024, 08:53:54 am »
you should correct the title to HAMEG type 1507-3, maybe then anybody can help you
« Last Edit: January 10, 2024, 07:50:47 pm by Hamelec »
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