Vixen Viper-MC90L Instruction Manual page 4

1) How to assemble
1. Attachment of the optical tube to the arm
1-1 Place the platform so the arm is located on the right. (Fig. 1)
1-2 Turn the upper and lower dovetail, so the optical tube setscrew comes to the
upper position. (Fig. 2).
Leave the optical tube setscrew loose. (Fig. 3)
Loosen