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The control panel explained:
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1 map
2 fire control panel
3 vertical sonar
4 ranging sonar
5 depth gauge
6 water temperature
7 clock
8 speed
9 rpm indicator
10 stern plane indicator
11 longitude indicator
12 dive lever
13 engine lever
14 ballast indicator
15 silent run on/off
16 silent run indicator
17 sonar on/off
18 altitude indicator
19 wheel
20 closed circuit tv on/off
21 torpedo tube indicator on/off
22 torpedo tube flood on/off
23 fire control panel active
24 rudder indicator
25 emergency ballast control
26 hatch indicator
27 compass
28 latitude indicator
29 bow plane indicator
30 heading indicator
31 multipurpose view screen
32 throttle speed indicator
33 dive plane indicators

1. Map display:
Use to determine present location at all times.

2. Fire control panel:
The fire control panel consists of four controls. From left to right their
functions are as follows:

        A-Select weapon (shift+F5 or click on with mouse)
             Target selection is fully automatic.
        B-Lock on target (shift +F6 or click ...)
        C-3D Image display (shift+F7 or click...)
        D-FIRE (shift+F8)

SONAR:
There are two types of sonar used in the U.S.S. Blackhawk

     Passive sonar - Listening for sound produced by other vessels,
     responsibility of sonarman.

     Active sonar - Sending out sound waves to detect underwater objects.
     Side and distance can be measured when an object has been detected.
     Active sonar consists of Vertical and Ranging Sonar, explained below.

3. Vertical sonar
Vertical sonar determines the distance above and below your submarine to a
solid object such as an iceberg or the ocean floor. The center point on the
screen represents your vessel. Each line on the screen represents 10 ft
above or below your vessel. When an object is present within 100 ft above or
below the sub, the lines on your screen become highlighted to indicate the
distance of the object from your location.

4. Ranging Sonar.
Ranging sonar indicates obstacles within a 1000 yd. radius around the
submarine.

5. Depth gauge.
Displays current depth.

6. Water temperature gauge.
Displays current water temperature in celsius.

7. Time clock
Displays current time of day.

8. Speed indicator
Displays speed in knots.

9. RPM indicator
Displays engine revolutions per minute.

10. Stern plane indicator
Indicates the angle of indication of the stern plane.

11. Coordinate display screen (position indicator):
This screen shows you the course coordinates of your last way point.

12. Dive lever
Use this lever to increase or decrease ballast, which will allow you to set
the bow and stern planes so that you sub may surface or dive. Using the up
and down (arrow) keys, move the lever up and down.

13. Engine lever.
Use this lever to adjust the running speed of the sub. Use + key to
accelerate, the - to decelerate.

14. Ballast indicator
Indicates ballast level in four separate tanks abroad the submarine.

15. Silent running on/off:
Activates or deactivates silent run. When silent run is active noise
eliminating transducers mask noise produced by the submarine, reducing the
likelihood of discovery by a hostile force. (Use shift+F4, or click with
mouse).

16. Silent run indicator.
Indicates whether silent running is active.

17. Sonar on/off
Activates or deactivates the active sonar (shift+f3 or click with on mouse).

18. Attitude indicator
Gauges the vertical angle of the sub.

19. Wheel
You can change direction using the left and right arrow keys to turn the
wheel. If you are using a mouse, place the mouse cursor on the wheel and
hold down the left mouse button. Continue holding the left button as you
move the cursor to the left or right.

20. Closed circuit monitor on/off
This monitor enables the navigator to see any obstacles in the path of the
sub. The closed circuit system is vital to successful navigation. (Use
shift+F1, or click with mouse)

21. Torpedo tube floor control indicator.
Indicates whether torpedo tubes have been flooded.

22. Torpedo tube flood on/off
Floods torpedo tubes. Switches automatically when weapon locks on.

23. Fire control panel activate button
Lowers fire control panel from ceiling for easy access. (Use shift + F2, or
click with mouse).

24. Rudder indicator
Indicates the current position of the rudder.

25. Emergency ballast control
In the event of an emergency, it may be necessary for the Blackhawk to
surface quickly. The emergency ballast allows to the sub to surface
automatically under most conditions.

26. Hatch indicator
There are 3 exterior hatches abroad the U.S.S. Blackhawk. The purpose of the
hatch indicators is to keep you informed as to whether the exterior hatches
are open or closed. If an indicator is lighted, a hatch is open.

27. Analog compass
Shows compass heading by the position of a needle in relation to a compass
point indicating true North.

28. Coordinate display screen (latitude indicator)
This screen presents you with your current latitude coordinates at all
times.

29. Bow plane indicator
Indicates the angle of inclination of the bow plane.

30. Heading indicator
Displays compass heading in numbers.

31. Multipurpose view screen
Use to view weapons selections when using fire control panel, also serves as
monitor for closed circuit television.

32. Throttle speed indicator
        A-Lights out- Throttle Stopped
        B-1 light- Throttle slow
        C-2 light- Throttle 1/3
        D-3 light- Throttle 2/3
        E-4 light- Throttle full
        F-All lights red- Throttle reverse

33. Dive plane indicators
Indicates dive plane position.

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Missiles:
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HARPOON MISSILE:
The harpoon missile is an active radar homing weapon. It delivers a 1000 lb.
penetration/blast warhead over ranges of up to 150 nautical miles against
surface ship targets. It is propelled by a solid rocket booster and turbojet
sustainer, and after reaching a maximum altitude of 5,000 ft.it cruises at
high subsonic speed.

STING RAY:
The sting ray is active/passive homing to 35 nautical miles at 90 knots. It
delivers a 1000 lb. warhead to a depth of 5,000 ft.

DECOY TORPEDO:
The decoy torpedo is used as a counter measure against attack. The decoy
emits a sound signature identical to the mother ship from which it is
launched. Decoys need not be targeted.

