York YK Style H Operation Manual page 74

SECTION 2 - OPTIVIEW CONTROL CENTER INTRODUCTION
Set 100% VGD
Pressed during the VGD calibration routine to indicate
that the VGD is physically at the 100% position.
Set 0% VGD
Pressed during the VGD calibration routine to indicate
that the VGD is physically at the 0% position.
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NAVIGATION
Home
Access Level Required: SERVICE
Returns user to HOME Screen.
VGD
Access Level Required: SERVICE
Returns user to VARIABLE GEOMETRY DIFFUSER
Screen.
FORM 160.76-O2
issue date: 6/15/2015
JOHNsON CONtROLs