17
CAUTION: The telescope may swing freely when the R.A. or DEC Gear Switch is released. Always
hold on to the OTA before you release the gear switch to prevent it from swinging. It can cause
personal injury or damage to the equipment.
Release Tension Adjuster by turning it counterclockwise. Turn Gear Switch knob 90 degree to
OPEN position to disengage the worm from the worm wheel.
Tension Adjusters
OPEN
LOCK
Gear Switch
Figure 14. Gear Switch operation
Rotate the DEC axis to horizontal position. Move the OTA position to balance the mount along DEC
axis (Figure 15a). Adjust the CW position to balance the mount in R.A. axis (Figure 15b).
(a)
(b)
Figure 15. Balance along R.A. axis (a) and DEC axis (b)
CAUTION: The balance process MUST be done with Gear Switch at OPEN position! Otherwise it
might damage the worm system.
Return the mount to Zero Position after balance, i.e. the CW shaft points to ground and telescope is
at the highest position.
Turn Gear Switch Knob by 90° to LOCK position to re-engage the worm to the worm wheel.
Retighten the Tension Adjuster as the last step to lock the gear.
STEP 9. Connect Cables
Connect DEC unit to the main control unit with a short, straight RJ11 cable. Connect the Go2Nova
®
8408 hand controller to the HBX port on the main unit. Plug 12V DC power supply into the POWER socket.
The power indicator on the main unit will be on when the power switch is turned on.
