iii
Rev. 10-7-16 Part #C-00140
www.NabcoEntrances.com GT20 Control Wiring and Programming Manual
WARNING LABELS
Warning labels are universal and used to alert an individual of potential harm to one’s self or to others. The following warning
labels are listed in a hierarchy order that denes the most potential danger rst, and the least potential danger last. Please refer
to this page in the event that a warning label is displayed within this manual and further denition needs to be explained.
high
some
may result in a minor injury
GENERAL SAFETY RECOMMENDATIONS