ASTRO-PHYSICS 400QMD Краткое руководство по эксплуатации - Страница 9
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Печатать страницуINSTALLATION OF ENCODERS AND ENCODER HOUSINGS
Parts List:
1
Right Ascension (R.A.) Encoder housing (black anodized)
1
Declination (Dec.) Encoder housing (black anodized)
1
R.A. Axis Adaptor (clear anodized, silver), labeled R.A.
1
Dec. Axis Adaptor (clear anodized, silver), labeled Dec.
To install your encoders, first remove your telescope from your mount. Remove your declination counter weight(s)
and declination counterweight shaft.
FITTING DECLINATION ENCODER HOUSING
1. If the encoders were purchased with the 400 mount, it is likely that the declination axis adapter and encoder
housing have already been installed. No further action will be required, as this encoder will remain in place.
2. If the encoders were purchased separately, the silver-colored Dec. axis adapter may be inside the black Dec. axis
encoder housing. If it is, remove it now.
3. Thread the Dec. axis adapter into the end of your Dec. axis (from where you earlier removed the Dec.
counterweight shaft). Final tightening should be done with firm hand pressure. Normally the Dec. axis adapter
will not be removed.
4. If you look into the black encoder housing, you will see the encoder itself mounted at the rear of the housing.
When this installation procedure is complete, the encoder shaft will insert into the center hole of the Dec. axis
adapter. This allows the encoder to read the motion of the declination shaft as the declination axis moves.
5. Thread the Dec. encoder housing onto the Dec. axis housing of the 400 mount. You may need to wiggle the
encoder housing gently to engage the shaft of the encoder with the hole in the center of the Dec. axis adapter.
When the threading is complete, tighten up with firm hand pressure since normally this encoder housing will not
be removed.
6. The counterweight shaft may now be rethreaded into the rear of the Dec. encoder housing.
400 MOUNT
B
Declination (Dec.) encoder housing (encoder mounted inside)
D
Declination axis adapter
E
Declination axis housing of 400 mount
F
Declination counterweight shaft
G
Location to thread in encoder housing
I
Encoder lead socket (phone plug input)