Delta Vivotek IB9391-EHTV-v2 - Page 307

VIVOTEK
User's Manual - 307
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158
PARAMETER VALUE SECURITY
(get/set)
DESCRIPTION
buildinpt <boolean> 0/7 An32‐bitinteger,eachbitca nbeset
separatelyasfollows:
Bit0=>supportbuild‐inpan
Bit1=>supportbuild‐intilt
zoommodule <boolean> 0/7 Indicatewhethertosupportzoomlens.
Inourproduct,onlySDseriesandIZ
seriesusethezoomlens.
*Bothvarifocalandzoomlensesare
builtwithmovableelementsthat
permitchangingtheeffectivefocal
length.Andthekeydifferencebetween
avarifocalandazoomlenscanbe
explainedbythinkingaboutalensthat
hasbeenfocusedonanobjectatany
focallength.Avarifocalwillneedtobe
refocusedwheneverthefocallengthis
adjusted;the zoomwillstayinfocus
whenthefocallengthisadjusted.