35 | Installation Instructions
1.7.4 Setting the Speed input source
When paragraph 1.7.2
Configuring the Gyro sphere
has been carried out the latitude input source can be changed as
described below.
1) Press the
DISP
button until the display shows speed value and speed
input.
2) Press
SET
button once and its upper line in the display starts flashing.
3) Use the
▲
or ▼ buttons for toggling between
H.sd
(manual),
G.Sd
(GPS),
P.sd
(pulse LOG) and
S.sd
(serial LOG).
4) Select active speed input source and confirm by pressing
ACK/ENT
button.
-
When manual input is selected the display will change to show a
flashing numerical values.
-
Use ▲
or ▼ buttons for entering the speed value and confirm by
pressing the
ACK/ENT
button.
5) The display will return to show the speed value and input source.
1.7.5 Balancing the Horizontal ring
After the compass has been running continuously for at least 3 hours it horizontal ring should be adjusted.
1) Locate the horizontal bubble indicator on
the horizontal ring. Check if its level bubble
is
within
+/- 10 minutes. Each division
equals 2 minutes.
2) If the level bubble is not within these limits
then add or remove weights from the
horizontal ring until it is leveled.
It is important that the total number of
weights on the horizontal ring are as few as
possible.
3) Let the compass run for at least 20 minutes
before the level bubble is rechecked.
• CAUTION – If the horizontal ring is tilted more than +/-10 minutes a bearing error will be generated.
• Weights with range from 0.17 gram till 9 grams are order separately, contact Alphatron Marine.
H
ori
z
onta
l
7
6
5
4
3
(50')
(40')
(30')
(60')
(70')
+/-10 minutes
2min
OR
Summary of Contents for ALPHAMIDICOURSE Mk2
Page 80: ...80 Appendices 6 1 1 Dimensions of Control Unit...
Page 81: ...81 Appendices 6 1 2 Dimensions of Master Compass...
Page 82: ...82 Appendices 6 1 3 Master Compass without housing...
Page 84: ...84 Appendices 6 1 5 Connection Diagram...
Page 85: ...75 Appendices 6 1 6 Cable Diagram...
Page 86: ...76 Appendices 6 1 7 Installation Drawing...
Page 88: ...78 Appendices AlphaMidiCourse Mk2 Check Maintenance Sheet...
Page 89: ...79 Appendices AlphaMidiCourse Mk2 Check Maintenance Sheet...
Page 90: ...80 Appendices AlphaMidiCourse Mk2 Check Maintenance Sheet...
Page 91: ...81 Appendices AlphaMidiCourse Mk2 Check Maintenance Sheet...
Page 92: ...82 Appendices AlphaMidiCourse Mk2 Check Maintenance Sheet...
Page 95: ...85 Appendices 6 4 Return Slip Sensitive element...
Page 96: ...86 Appendices...
Page 99: ......
