Re: Tektronix 492BP


John Miles
 

Check the DIP switches in the CPU section for continuity, as well as the ones on the Z-axis board. Sounds like one or more of them may have failed, and the instrument thinks it doesn't have the external mixer jack.

-- john, KE5FX

-----Original Message-----
From: TekScopes@groups.io [mailto:TekScopes@groups.io] On Behalf Of
Mike Yepes
Sent: Wednesday, January 13, 2021 10:19 PM
To: TekScopes@groups.io
Subject: Re: [TekScopes] Tektronix 492BP

Frequency not in rage ignored. Also I cannot move the band higher than 15-
21GHz. When I press the buttom external mixer it said: UNDEFINED
FUNTION.


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