Tech. specification and instruction manual PP-173 PP-173/6a
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VI. Operation and maintenance
The height adjustment is done as follows:
a)
while holding the telescope tubes press the spring-
loaded buttons simultaneously,
b)
slide the telescopes down or up to adjust the height
until the buttons click,
c)
next the hurdle toppling force should be adjusted
accordingly, so press and hold the knob in the hurdle
foot,
d)
then slide the counterweight to the corresponding
height according to the label, then release the knob,
do the same with the other hurdle foot.
