Garmin GPSMAP 178C Owners Manual - Page 61

Waypoint Lists, Proximity Waypoint List

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F Once a waypoint is deleted from the list, it cannot be recovered from the unit. It is advisable to backup important waypoints to a computer using an optional PC cable and interface software, save them to a data card, or write them down by hand. To delete an individual waypoint from the 'User' list: 1. Use the ARROW KEYPAD to highlight the waypoint to be deleted. 2. Press MENU, highlight 'Delete Waypoint' and press ENTER. OR, press ENTER, highlight 'Delete' and press ENTER. 3. Press the ENTER key to confirm the deletion warning. To delete waypoints by symbol: 1. From the 'User' tab, highlight the waypoint to be deleted and press MENU, then select 'Delete By Symbol' and press ENTER. 2. Use the ARROW KEYPAD to highlight the symbol of the waypoint(s) to be deleted and press ENTER. 3. Press ENTER to confirm. Choose 'Cancel' or press QUIT to stop the deletion. To delete all user waypoints: 1. Press the MENU key to select the options window. 2. Use the ARROW KEYPAD to highlight 'Delete All' and then press ENTER. 3. Highlight 'OK' and press ENTER to confirm. Proximity Waypoint List The 'Proximity' submenu of the Points tab lets you define an alarm circle around a stored waypoint position, and can be used to help you avoid reefs, rocks, or restricted waters. Up to ten waypoints may be listed, with a maximum alarm radius of 99.99 nautical or statute miles or kilometers. If a proximity alarm circle overlaps with an existing alarm circle, the message 'Proximity Overlaps Another Proximity Waypoint' appears. Since the unit only alerts for one of the overlap points, use caution when navigating in these areas. If you enter an alarm circle overlap, you are only alerted to the closest proximity waypoint. Reference Waypoint Lists Name Field Waypoint List You can also search for a waypoint by name: 1. Highlight the name field and press ENTER. 2. Use the ARROW KEYPAD to select the first letter of the name. 3. Move to the RIGHT and enter the second letter if you do not see it on the list below. 4. Repeat this until the name appears. Press ENTER when you see the name. 5. Highlight the name on the list and press ENTER again to review the waypoint. When done, highlight 'OK' and press ENTER. 51

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¶²
Reference
Waypoint Lists
F
You can also search for a waypoint by name:
1. Highlight the name field and press
ENTER
.
2. Use the
ARROW KEYPAD
to select the first letter of
the name.
3. Move to the RIGHT and enter the second letter if you do
not see it on the list below.
4. Repeat this until the name appears. Press
ENTER
when
you see the name.
5. Highlight the name on the list and press
ENTER
again
to review the waypoint. When done, highlight ‘OK’ and
press
ENTER
.
Name
Field
Waypoint
List
Once a waypo±nt ±s deleted from the l±st, ±t cannot be recovered from the un±t. It ±s
adv±sable to backup ±mportant waypo±nts to a computer us±ng an opt±onal PC cable and
±nterface software, save them to a data card, or wr±te them down by hand.
To delete an individual waypoint from the ‘User’ list:
1. Use the
ARROW KEYPAD
to highlight the waypoint to be deleted.
2. Press
MENU,
highlight ‘Delete Waypoint’ and press
ENTER
.
OR, press
ENTER
, highlight ‘Delete’ and press
ENTER
.
3. Press the
ENTER
key to confirm the deletion warning.
To delete waypoints by symbol:
1. From the ‘User’ tab, highlight the waypoint to be deleted and press
MENU
, then select ‘Delete By
Symbol’ and press
ENTER
.
2. Use the
ARROW KEYPAD
to highlight the symbol of the waypoint(s) to be deleted and press
ENTER
.
3. Press
ENTER
to confirm. Choose ‘Cancel’ or press
QUIT
to stop the deletion.
To delete all user waypoints:
1. Press the
MENU
key to select the options window.
2. Use the
ARROW KEYPAD
to highlight ‘Delete All’ and then press
ENTER
.
3. Highlight ‘OK’ and press
ENTER
to confirm.
Proximity Waypoint List
The ‘Proximity’ submenu of the Points tab lets you define an alarm circle around a stored waypoint
position, and can be used to help you avoid reefs, rocks, or restricted waters. Up to ten waypoints may
be listed, with a maximum alarm radius of 99.99 nautical or statute miles or kilometers. If a proximity
alarm circle overlaps with an existing alarm circle, the message ‘Proximity Overlaps Another Proximity
Waypoint’ appears. Since the unit only alerts for one of the overlap points, use caution when navigating
in these areas. If you enter an alarm circle overlap, you are only alerted to the closest proximity waypoint.