Raytheon NSC 18, User Manual

Page: 32 / 84

Operator Manual
2 − 14
3748DOC020102 Edition: 14.JAN.2005
5 Hides the symbols in the radar video.
Press the button and the artificial symbols will disappear. Press again to show
the symbols.
Symbols are EBLs, VRMs, PL, ARPA zones, MAPs.
6/
1
Status indicators , press toggle switch (7). The activated function is indicated by
( ). Use the dial (11) to adjust EBL . Use the dial (16) to adjust VRM .
7 Toggle switch . Can be switched between upper position, Gain / Sea and lower
position, VRM / EBL . See status indicators (1/6) and use dial (16) or dial (11).
8
Toggle switch . Range selection, switches the radar ranges up and down.
9 Alarm indicator (flashing) and alarm acknowledgment .
10
Dimmer
buttons for
button illumination
and
radar display backlight
.
Press both buttons to switch between Day/Night mode .
11
Dial , see
6/
1
.
12 Press button in steps, the Trails indicator changes to the next higher mode .
The steps available are OFF, 1.0, 3.0, 6.0, OFF, see TRAILS toggle field in infor-
mation panel.
13
Press and hold the button. The Heading Line disappears during this time.
14
Press button to use to change VECTOR LENGTH .
15
Center to reset your own ship to the middle of the PPI or to activate OFF CEN-
TER
16
Dial , see 1/6.
Table:1 Radar operator panel − Function overview −