4
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(4)
Put the dovetail saddle back and retighten the
four yellow circled screws.
Here is a Losmandy-type dovetail saddle after
converting (left HEM27, right HEM44).
6.
Connect cables:
Connect the Go2Nova
®
8409 Hand
Controller to the
HBX
port on the mount back. Plug in
a 12V DC power supply to the
DC12V IN
socket.
7.
Balance payload:
No RA balance is needed for a
HEM27 mount.
Turn the mount power on. Press number 9 to change
the slew speed to max. Press
◄
or
►
button to slew
the telescope to one side of the mount. Hold the
telescope and disengage DEC Gear Switch to check
the balance. Release dovetail saddle locking lever and
move the scope back and forth to adjust the position.
Tighten the dovetail saddle locking lever and engage
the gear switch after balancing completed.
Return the mount to Zero Position after balancing
and engage DEC gear switch.
8.
Set Zero Position:
The
Set Zero Position
command
registers the current position as zero position. So
before registering, the mount should be physically set
at Zero Position either manually or slewed by hand
controller. The Zero Position is defined as the
telescope being on top of the mount head and
pointing to the North Pole, with CW shaft mounting
hole pointing to the ground. To register, press
MENU
=>
Zero Position
=>
Set Zero Position
. Press
ENTER
to confirm. One can also use
MENU
=>
Zero
Position
=>
Search Zero Position
to set the zero
Position.
9.
Set controller:
Press the
MENU
button; then
“
Settings
”=> “
Set Time & Site
”.
Enter the current date. Enter the time zone offset to
the UTC; for examples:
Boston is “UTC -300 minutes”
Los Angeles is “UTC -480 minutes”
Rome is “UTC +060 minutes”
Sydney is “UTC +600 minutes”
Enter longitude and latitude coordinate of your
location in D:M:S format. Toggle the Daylight Saving
Time (DST) between N (No) and Y (Yes) using arrow
key.
10.
Polar alignment:
For a HEM mount without iPolar
(H272 and H442) or the pole star is not in sight, you
may use planetarium software to perform the polar
2022-05-05 12:01:36
UTC -300 Minute(s)
W071d08m50s DST: Y
N42d30m32s
Northern
