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Jeg har en HP5370A , som starter fint op.
Men fejler i "selftest" (Err 20) efter et stykke tid.
Kan sagtens være en "level juistering eller lign.
Virker ikke som om den er "meget syg", men sælges som defekt.

Har HP 10544A OCXO installeret.

Har ikke været tændt i 10år, men hvis der er interesse. Så vil jeg godt bruge en halv time på at tænde den igen.

*** Sendes ikke - Kun afhentning i 2700 BRH ***

Se billeder

Ps:
Dette er noget info omkr Err 02 fra time-nuts
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Well err 02 is caused by the 31bit overflow of the internal t.I. counter, takes normally about 10.7 sec, or so, if the signal is not properly triggered.
It's not an system error, but only an ordinary / minor "user -error", or overflow error, or how should I call that ?
Something, what frequently occurs in regular use.
Even if the yellow LED "Start" or "Stop" LED blinks, that does not necessarily mean, that the unit really triggers!
Check first, if you get a stable reading by manually re-adjusting the trigger level, or by using the 10:1 divider, AC/DC, and so on.

The trigger circuit is slightly dependent on temperature, and may be mis-adjusted in auto mode.

The trigger circuit may be calibrated, following the manual ( better use the B manual, it contains less errors, afaik), and should mitigate this error.
When I did that on my unit, I was under the impression, that the circuitry is sort of "worn out", not so precise any more.
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