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2. RADAR OPERATION
2-29
2.21 Outputting TLL Data
Target position data can be output to units of the network and shown on their
plotter screens with the TLL mark (
X
). This function requires position and
heading data.
1. Operate the trackball to place the cursor on the target whose position you
wish to output.
2. If not displayed, press the [HIDE/SHOW] key to display the radar soft keys.
3. Press the TARGET soft key.
.250/ 319.9
°
M
.125nm
SP
H-UP
TARGET
TRAIL
TLL
OUTPUT
ACQ
TARGET
INFO
RETURN
Requires ARP circuit board
in Model 1800/1900 series
NavNet radar. Not shown
otherwise..
359.9°R
0.277nm
+
TARGET soft keys
4. Press the TLL OUTPUT soft key to output target position data. The TLL mark
is inscribed on the plotter display at the target’s position the moment the TLL
OUTPUT soft key was pressed. Further, that position is recorded as a
waypoint on all NavNet units, under the youngest empty waypoint number on
each NavNet unit.
5. Press the RETURN soft key to finish.
Note: The screen of the TLL recipient may be temporarily interrupted when
receiving TLL from another NavNet display unit. Press any key to restore
normal operation.