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

Page 13

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)

Display:

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

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

Coordinates:

Epoch AD 2000.0

Sensors:

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)

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)

User

definable

Stars

Non-stellar/deep-sky

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

Non-stellar/deep-sky

User

definable

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
(30 hour life with display fully
dimmed)

* Discontinued Product