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APPENDIX 6: STANDARD ACCESSORIES
1) Plumb bob
If the weather is calm, or for initial
tripod centring, the plumb bob
can be used for centring. To use,
unwind the plumb bob and attach
it t o the hook inside the centring
screw. Use the cord grip piece t o
adjust the cord length.
2)
Tubular compass CP7 (accuracy
+I0)
To mount the CP7, slide it into the
tubular compass slot
@.
To use,
loosen the clamping screw to free
the compass needle. Turn the in-
strument in the face left position
until the compass needle bisects
the index lines. The telescope is
now aligned with magnetic north.
After use, tighten the clamp and
remove the compass from the
slot. Replace
it
in the specified
position in the carrying case.
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