Appendix a — specifications, Ngc-max ngc-minimax* ngc-micromax – JMI Telescopes MAX Computer User Manual

Page 13

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Page 13

Appendix A — Specifications


NGC-MAX


NGC-miniMAX*


NGC-microMAX


Size:


14.6cm x 9.1cm x 3.7cm (5.75"
x 3.60" x 1.44")


7.0cm x 11.7cm x 3.0cm
(2.75" x 4.60" x 1.18")


6.1cm x 9.9cm x 3.0cm
(2.40" x 3.88" x 1.18")


Weight:


233g (8.2 oz.)


155g (5.4 oz.)


122g (4.3 oz.)


Temperature:


-10°C to +50°C (14°F to 122°F)


-10°C to +50°C (14°F to 122°F)


-10°C to +50°C (14°F to 122°F)


Display:


16 character, 5x5 dot matrix red
LED (four brightness levels)


8 character, 5x5 dot matrix red
LED (four brightness levels)


8 character, 5x5 dot matrix red
LED (four brightness levels)


Coordinates:


Epoch AD 2000.0


Epoch AD 2000.0


Epoch AD 2000.0


Sensors:


Two high-resolution, shaft- type,
incremental optical encoders


Two high-resolution, shaft- type,
incremental optical encoders


Two high-resolution, shaft- type,
incremental optical encoders


Sampling rate:


2.5KHz (2500 samples/sec)


1.95KHz (1950 samples/sec)


2.5KHz (2500 samples/sec)


Database:


9 Planets (including Sun)

28

User

definable

110

Messier

386

Non-stellar/deep-sky

928

Stars

2852 IC
7840 NGC
12153 Total object count
12047 Non-duplicated


9 Planets (including Sun)

28

User

definable

80

Stars

86

Non-stellar/deep-sky

110 Messier
960 IC
2745 NGC
4018 Total object count
3912 Non-duplicated


17

Non-stellar/deep-sky

28

User

definable

90

Stars

110

Messier



245 Total object count
245

Non-duplicated


Modes:


ALIGN STAR
RA DEC
CATALOG
GUIDE
ALIGN
ENCODER
SETUP
TIMER
POLAR
IDENTIFY


STAR FIX (ALIGN STAR)
RA DEC
CATALOG
GUIDE
ALIGN
ENCODER
SETUP
TIMER
POLAR


STAR FIX (ALIGN STAR)
RA DEC
CATALOG
GUIDE
ALIGN
ENCODER
INSTALL (SETUP)


Power:


6.5 to 15 volts DC
17mA, display fully dim
60mA, display fully bright
(reverse polarity protected)


6.5 to 15 volts DC
17mA, display fully dim
45mA, display fully bright
(reverse polarity protected)


6.5 to 15 volts DC
14mA, display fully dim
44mA, display fully bright
(reverse polarity protected)


Battery:


9 volt alkaline
(25 hour life with display fully
dimmed)


9 volt alkaline
(25 hour life with display fully
dimmed)


9 volt alkaline
(30 hour life with display fully
dimmed)

* Discontinued Product

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