Matsutec HP-33A, Operator'S Manual

Page: 44 / 98

3
.4 How to Change
The
Track Plotting Interval, Stop Re-
cording
To trace the boat’s track, the boat’s position is stored into the memory at an interval of
distance or according to display range. For
example
, a shorter interval provides better
reconstruction of the track, but the storage time of the track is shorten. When the track
memory becomes full, the oldest track is erased to make
space
for the latest.
You can
Choose the [Tracks] on the menu to check the current percent of the memory used.
1. Press the MENU/ZOOM key twice to show the main menu.
2. Select [Tracks], and press the ENT key.
3. Confirm that the [Rec] is selected, and press the ENT key.
4. Select [Off], [Distance] or [Auto], and press the ENT key.
Off: Track is not recorded. This setting is useful when you do not need to record
track.
Distance: Track is recorded and plotted at the distance interval set.
Auto: Plotting and recording interval changes with display range selected.
5. For [Off] or [Auto], go to step 6. For [Distance], enter the recording interval as fol-
lows:
1) Press
X
.
2) Press ENT key.
3) Use the cursorpad to enter the interval, and press the ENT key.
For entering the numeric data, see page 1-9.
6. Press the MENU/ZOOM key twice to close the menu.
Percentage of the memory used
3-3