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To set the drop and open altitude values:
1. Highlight each field and press Enter to open
the numeric keypad.
2. Enter the desired values and select OK to
enter each value.
For HAHO and HALO jumps, wind speeds and
directions can be entered for every 1,000 feet of
canopy drift (CD) and every 2,000 feet of free fall
drift (FFD). The wind setup must be completed before
entering values for forward throw and course to
HARP.
The Wind Setup
Wind speeds and directions are
added on the Wind Setup page.
Wind speeds are measured in
knots and directions are based
on origination of wind. This
information is usually based on
data collected from National
Oceanographic & Atmospheric
Administration (NOAA) or by a drop zone support
team leader (DZSTL) monitoring the course of a Pilot
Balloon (PiBal) released from the ground at the DIP
and wind streamers dropped from aircraft once the
HARP is calculated.
Jumpmaster is capable of handling doglegs in wind
direction.
To use the Wind Setup Page:
1. Select Clear All from the Option Menu of
this page to clear the list of wind speeds and
directions.
2. Enter wind speeds and directions as a pair to
be valid. Those pairs left blank will be ignored
in calculations.
3. Press the
Quit key to return to the
Jumpmaster Setup Page.
Forward Throw and Course to HARP allow a user
to determine the direction and magnitude the aircraft
will carry him after jumping and before free fall or
canopy drift begins.
To set Forward Throw and Course to HARP:
1. Highlight the field and press Enter to open the
numerical keypad.
2. Enter the values and select OK to close.
Wind Setup
eTrex Vista Cx Owner’s Manual 77
MAIN MENU > SETUP MENU