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1. RADAR OPERATION
1-49
1.28.7 Longer trails (B, C and W types)
In addition to the trail times mentioned in paragraph 1.28.2, you may also extend
trails 12 or 24 hours.
1. Roll the trackball to place the arrow on the TRAIL MODE box at the bottom
right corner of the screen.
2. Push the right button to display the TRAIL menu.
3. Roll the wheel to choose 8 TRAIL LENGTH and then push the wheel or the
left button.
4. Roll the wheel to choose NORMAL, 12H or 24H as appropriate and then
push the wheel or the left button.
NORMAL: Trails are extended according to the setting made on the TRAIL
MODE box.
12H: Extend trails for 12 hours.
24H: Extend trails for 24 hours.
48H: Extend trails for 48 hours.
5. If you chose 12 hour, 24 hour or 48 hour, 9 TRAIL HIDE appears together
with start and end times. This item allows you to designate a time period in
which no trails will be extended. Enter time frame at START and END.
6. Push the right button to close the menu.
1.28.8 Removing trails from the display temporarily
You may wish to temporarily remove all trails from the display. Trails are
removed but are continued internally.
By keyboard
Press the [CANCEL TRAILS] key to choose OFF
By trackball
1. Roll the trackball to place the arrow on the TRAIL MODE box at the bottom
right corner of the screen.
2. Push the left button to display OFF.
1.28.9 Erasing trails
All trails may be erased (including those in the memory) and restarted afresh.
• Keyboard: Press and hold down the [CANCEL TRAIL] key until trails
disappear.
• Trackball: Place the cursor in the trail box and push and hold down the left
button until trails disappear.