[time-nuts] HP 8568B

Poul-Henning Kamp phk at phk.freebsd.dk
Sun Jun 29 01:41:30 EDT 2014


In message <1411dfb1.542.146e54f3eac.Coremail.ba6it at 163.com>, "Hui Zhang" writes:
>Hello all:

>do I need a calibration after I used external 10Mhz stand? 

At the very least you need to run the "blue key" + "W" calbration if you change to
or from external reference, because that is entirely based on the 20MHz
base frequency Comb Generators output.

-- 
Poul-Henning Kamp       | UNIX since Zilog Zeus 3.20
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