Step 4. Install telescope
HEM27 accepts a Vixen or a Losmandy-D dovetail mounting plate. The default is Vixen-type one.
Release the dovetail Saddle Locking Lever and slide the telescope dovetail plate into the saddle with Gear
Switch disengaged. Make sure that the arrow sign on the saddle is pointing forward. Tighten the Saddle
Locking Lever. Pull the lever and turn it to the position that the lever is parallel to the saddle to prevent it
interfering with the DEC unit during mount GOTO and tracking.
Figure 12. Dovetail saddle locking lever
If you have a scope using a Losmandy dovetail plate, please follow the following steps to convert
dovetail saddle from Vixen-type to Losmandy-type.
(1) Loosen the two socket screws (red circled), move the fixed block outward. Then tighten the
screws.
Figure 13. Convert dovetail saddle to accept a Losmandy-D plate (1)
(2) Remove the two blue circled screws and pull the dovetail saddle locking block from the saddle.
(3) Release the four screws (yellow circled in Figure 13) to separate the saddle from the mount. Flip
the dovetail saddle locking block and secure it onto the saddle from bottom of the dovetail saddle
(blue squares in Figure 14)
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