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  [page=yes]

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    \startbut [section(first   {chapter})]    first chapter \stopbut
    \startbut [section(previous{chapter})] previous chapter \stopbut
    \startbut [section(next    {chapter})]     next chapter \stopbut
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\starttext
    \startchapter[title=First]
        \startsection[title=One]   \dorecurse{5}{\input Ward} \stopsection
        \startsection[title=Two]   \dorecurse{5}{\input Ward} \stopsection
        \startsection[title=Three] \dorecurse{5}{\input Ward} \stopsection
        \startsection[title=Four]  \dorecurse{5}{\input Ward} \stopsection
        \startsection[title=Five]  \dorecurse{5}{\input Ward} \stopsection
    \stopchapter
    \startchapter[title=Second]
        \startsection[title=One]   \dorecurse{5}{\input Ward} \stopsection
        \startsection[title=Two]   \dorecurse{5}{\input Ward} \stopsection
        \startsection[title=Three] \dorecurse{5}{\input Ward} \stopsection
        \startsection[title=Four]  \dorecurse{5}{\input Ward} \stopsection
        \startsection[title=Five]  \dorecurse{5}{\input Ward} \stopsection
    \stopchapter
\stoptext
