Setting The Datum - Automatic Technology GDO-8 ShedMaster Instruction Manual

Water resistant roll up door opener featuring triocode 128 technology

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10. Setting the Datum

Datum Preparation:

a. Move the door by hand to approximately the mid open

position.

b. Re-engage the opener.

c. Using a small blade screw driver turn the datum adjust

screw slowly until the yellow status LED just illuminates.

WARNING! The safety obstruction detection

system is inoperable if the MINUS (-) and

PLUS (+) buttons are used to drive the door

and travels limits are not set.

NOTE: If the status LED is already illuminated when power

is connected then turn the datum adjust screw until the LED

goes off then turn back one notch to illuminate again.

GDO-8 Instruction Manual

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