Indivision AGA and HP ZR24W incopatibility

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Hello to all, i recently purchased an HP ZR24W monitor (great monitor btw) but unfortunately it doesn't accept the signal from my indivision AGA. It keeps saying it's out of range. I played with the settings in indivision config tool (latest firmware), tried 1.0 and 1.25 rates and Horizontal and Vertical sync adjustments but to no avail. Is there any way i can connect my A1200 to my new monitor, maybe using an intermediate vga box of some sort?

HPZR24W specs here http://h20000.www2.hp.com/bizsupport/TechSupport/CoreRedirect.jsp?redirectReason=DocIndexPDF&prodSeriesId=4101131&targetPage=http%3A%2F%2Fbizsupport2.austin.hp.com%2Fbc%2Fdocs%2Fsupport%2FSupportManual%2Fc02049456%2Fc02049456.pdf

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thanks alexh i'll try that and see what happens