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2. RADAR OPERATION
2-24
2.18.2 Starting echo trails
1. If not displayed, press the [HIDE/SHOW] key to show the radar soft keys.
2. Press the TARGET soft key.
3. Press the TRAIL soft key.
4. Press the TRAIL ON/OFF soft key to select ON.
5. Press the RETURN soft key twice to finish.
“TRAIL,” the echo trail time selected and elapsed time appear at the top
right-hand corner of the display. Then, afterglow starts extending from all targets.
Trails are restarted when the range or mode is changed and zoom or shift is
turned on.
For continuous trails, the maximum continuous trail time is 99 minutes and 59
seconds. When the elapsed time clock counts up to that time, the elapsed time
display resets to zero and trails begin again.
To turn off echo trail, press the TRAIL ON/OFF soft key to select OFF at step 4 in
the above procedure.
2.18.3 Trail gradation
The echo trails can be shown in single or multiple gradations. Multiple gradation
paints the trails thinner with time, like the afterglow on an analog PPI radar.
1. If not displayed, press the [HIDE/SHOW] soft key to show the radar soft keys.
2. Press the TARGET and TRAIL soft keys.
3. Press the GRAD soft key to select SINGLE or MULTI as appropriate.
4. Press the RETURN soft key twice to finish.
Multitone Monotone
Multitone and monotone trails