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Technical specifications – Orion 9481 User Manual

Page 10

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10

To prevent damage, we recommend removing your telescope
or optical instrument from the mount when transporting.

8. technical specifications

Mount:

Altazimuth fork arm

Tripod:

Aluminum

Tripod height:

Folded height 20.5", maximum height
54.5"

Total weight:

9 lbs.

Motor drives:

Dual-axis GoTo computerized, internally
housed

Operation:

Northern or Southern hemisphere

Power requirement: 12V DC 1 Amp (tip positive), can run off

of 8x internal AA bateries

Motor type:

DC servo with optical encoders for
altiude and azimuth axes

Motor resolution:

0.8923 arc sec (or 1,452,425 steps/rev)

Slew speeds:

Rate 0 = 1.0X
Rate 1 = 2X
Rate 2 = 16X
Rate 3 = 32X
Rate 4 = 50X
Rate 5 = 200X
Rate 6 = 400X
Rate 7 = 600X
Rate 8 = 800X
Rate 9 = 1000X

Altitude slew limits: +60° to -15° (default)
Tracking rates:

Sidereal (default), Lunar, Solar.

Alignment method: Brightest Star, Two-Star
Database:

Over 42,900 objects including:
Complete Messier & Caldwell catalogs,
7840 NGC objects, 5386 IC objects,
29523 SAO stars, 8 planets, moon, 212
named stars, 55 well-known double
stars, 20 well-known variable stars, 25
user-defined objects.

This device complies with Part 15 of the FCC Rules. Operation
is subject to the following two conditions: (1) this device nay
not cause harmful interference, and (2) this device must
accept any interference received, including interference that
may cause undesired operation.
Changes of modifications not expressly approved by the party
responsible for compliance could void the user’s authority to
operate the equipment.
Note: This equipment has been tested and found to com-
ply with the limits for a Class B digital device, pursuant
to Part 15 of the FCC Rules. These limits are designed
to provide reasonable protection against harmful interfer-
ence in a residential installation. This equipment gener-
ates, uses and can radiate radio frequency energy and,
if not installed and used in accordance with the instruc-
tions, may cause harmful interference to radio communi-
cations. However, there is no guarantee that interference
will no occur in a particular installation. If this equip-
ment does cause harmful interference to radio or televi-
sion reception, which can be determined by turning the
equipment off and on, the user is encouraged to try to
correct the interference by one or more of the following
measures:

• Reorient or relocate the receiving antenna.
• Increase the separation between the equipment and

receiver.

• Connect the equipment into an output on a circuit different

from that to which the receiver in connected.

• Consult the dealer or an experienced radio/TV technician

for help.

• A shielded cable must be used when connecting a periph-

eral to the serial ports.