Vixen PORTA II Instruction Manual page 14

Adjustments
Ⅲ Adjusting the Azimuth Handle Position
You can change the orientation of the azimuth handle relative to the optical tube to suite your observing preference.
You may wish to do this to avoid obstructing the optical tube.
Put the scope in a hori-
①
z o n t a l p o s i t i o n , g r a s p
i t w i t h o n e h a n d , b a c k
off the safety screw and
d o v e t a i l l o c k k n o b t o
remove the optical tube.
Locate the four Allen head
③
screws holding the base
of the altitude unit on the
azimuth axis. Grasp the
arm of the altitude unit
and back out the screws
with the Allen wrench.
Attach the altitude unit
⑤
with the previously re-
moved Allen screws.
Ⅳ Terrestrial Viewing
Beginners may have difficulty assembling and operating a telescope and PORTA
first night of astronomical observation. We recommend following the instructions in this manual in daytime first.
Try observing landscape in order to understand the movements of the PORTA
field of view of your finder scope and telescope.
Safety Screw Safety Screw
Dovetail Lock knob Dovetail Lock knob
Ar m Ar m
3 / 1 6 " Wre n c h 3 / 1 6 " Wre n c h
3 / 16" Wr en c h 3 / 16" Wr en c h
14
Pull the rubber cover on
②
the base of the mount and
select the 3/16"(larger)
Allen wrench.
Remove the altitude unit
④
from the azimuth axis plate
on the tripod base. Note
the outer ring of the thre-
aded hole pairs on the
azimuth axis plate. These
will be used to reorient
the altitude unit.
Reorient the azimuth axis to place the azimuth handle
in a desired position as shown in the figure right.
Match the altitude unit with an outer pair of threaded
holes on the azimuth axis plate.
Put the Allen wrench back
⑥
to the tool compartment
on the mount base.
Attach the optical tube.
II
/ MINI PORTA mount on the
II
/ MINI PORTA mount and the
C o v e r C o v e r
3 /1 6 " Wre n c h 3 /1 6 " Wre n c h
azimuth azimuth
handle handle
Safety Screw Safety Screw
Dovetail Lock knob Dovetail Lock knob