[mrtg] Y minimum ?

[Fabio Cesar Gozzo]

Hello,
This may be a FAQ but I searched the mailling list archive and
dind't find an answer.
Lets say I'm monitoring a property that has a mean value of 70
but has small variations, ranging from 67 to 74.
It's very difficult to observe these small variations on a plot
having a Y axis ranging from 0 to 80.
Is there a way to specify a minimum Y value so that I can have
a plot ranging from, for example, 50 to 80 ?
Thank you,

-- 
**************************************************
Fabio Gozzo                   fabio at iqm.unicamp.br
State University of Campinas               UNICAMP
Chemistry Institute  http://thomson.iqm.unicamp.br
**************************************************

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