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JMI Telescopes MAX Computer User Manual

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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