!!99!!General help
This suite of programs provides
navigational computer assistance to
yachtsmen.
!1REMEMBER
Do not rely solely on any electrical
form of navigation for passage making. 
!1H.Edwards excepts no responsibility
!1for losses or damage caused by use
!1of these programs
!!01!!Main Selection
The navigation packages are offered as
a selection list:
- General (useful calculations)
- Astro (celestial navigation)
- Tide (tide computation)
- Passage Plan
Packages are supplied separately
and can be installed as required
!!03!!Update Defaults
Enter the dates on which summer time
starts and ends and define the zone
time for the local setting. These
values are used to convert from 
the current Psion time to GMT, on
which all calculations are based.
!!04!!Save Defaults
The defaults can optionally be saved
to disk for use next time the 
program runs, or not saved and used
only for this session
!!05!!Position After Run
Enter the starting latitude,longitude,
the course and the distance. The
calculated position is displayed as a
latitude and longitude.
!!06!!Course To Steer
This option computes a course and 
distance between two latitude and
longitudes'. The course is computed
as a great circle course.
!!07!!Navigation Menu
The options on this menu provide some
general navigational utilities.
!!08!!Registered Copy
This is a registered copy, only
packages registered to you or shareware
copies will run from the following
menu.
!1Unauthorised copying
of registered copies is a breach of
copyright.
Please quote your customer number
with all correspondence.
!!09!!Shareware Copy
Shareware copies of the Nautical
Navigator packages are distributed
free of charge.
!1Please register each package
to obtain the latest release with full
features and to fund continued
development of the software.
!1How to register
!1send œ20 sterling per package to:
  H.Edwards (Software)
  28A South View Rd.
  South Benfleet,
  Essex SS7 5NA
  ENGLAND
Telephone UK 0268-792940
CIS: 100102,2706 
Please specify the format for the new
release:
- DOS format diskette 
  - 5¬" 360Kb
  - 3«" 1.4Mb
- Flash ROM (Media will be charged.
  Please phone for cost)
!!10!!Distance off
This option displays the distance
from a light or object on the horizon,
in nautical miles. This is commonly
known as the dipping distance.
The height above sea level of the 
observers eye and the light must
be entered in meters. Use 0 for the
height of light to give the distance
to the horizon.