Onwa Marine Electronics KR-1338C v.1 - Manual (Page 40)

3.8 Watchman
The watchman function periodically transmits the radar for minute to check for
targets in a guard zone. If it finds change in the zone from the previous transmis-
sion it sounds the radar continuously. This feature is useful when you do not need
the radar
's function continuously but want to be alerted to radar targets in a speci-
fic area.
TX St-by TX St-by
1min
5 10 or 20
min
1 min 5,10 or 20
min
Watchman starts.
Figure 3-10 How watchman works
How watchman works
When the time selected for the watchman restperiod has elapsed, the radar autom-
atically transmits for one minute to check the condition inside the guard zone. If
there is no change, the radar goes into stand-by ("WHTCHMAN"appears during
stand-ny.) If there is change, the radar sounds the audible alarm, cancels the watc-
hman function and transmits continuously.
Turning on watchman
1. Create a guard zone (usually 360 degrees) with the guard alarm function.
2. Press the [MENU] key.
3. Select "OTHER MENU".
4. Press the [ACQ/ENTER] key.
5. Select "15.Watchman".
6. Press the omnipad to select watchman rest period; 5 minutes, 10 minutes or 20
minutes.
"WATCHMAN"appears at the top of the screen, the radar transmits for one mi-
nute to check for targets inside the guard zone. And the the CRT shuts off and the
radar goes into stand-by.
Cancelling watchman
Go into the "OTHERS"menu, and set"15.Watchman"for off.
Note 1: Watchman can be used without a guard zone.
Note 2: The alarm sounds just before the radar starts and stops transmitting.
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