Furuno FR-1500 - Manual (Page 51)

-1.37-
1.38 Noise Rejector
The noise rejector suppresses white noise, which appears on the screen as many dots scattered
randomly over the display.
To suppress white noise:
1. Press the [F1] key.
2. Press the [7] key to turn the noise rejector on or off as appropriate. NR appears at lower
left-hand position when the noise rejector is on.
1.39 Navigation Data
Various navigation data can be displayed (and their format selected) with connection of appropriate
external sensors. You can select which navigation data to display as follows:
1. Press the [MENU] key, and then the [0] key twice to show the OTHERS menu.
8. Press the [8] key twice to select display the NAV DATA menu.
9. Press appropriate numeric key to turn data on/off, select format. You may select navigator
(GPS, Loran C), position display format (L/L, TD, none), unit of depth measurement
(meters, feet, fathoms), unit of water temperature measurement (
° C, ° F), display local time,
and turn external waypoint on/off. Note that TDs are input from a Loran C navigator and
are for display only.
4. Press the [ENTER/SELECT] key, and then press the [MENU] key.
1.40 Alarm Output (R-type only)
Alarm signal can be output on the R-type radars.. Select the alarm(s) to output as follows.
Requires connection of external buzzer (OP03-21) to J212 on the SPD Board.
1. Press the [MENU] key.
2. Press the [0] key twice.
3. Press the [0] key twice again to select the sub
menu OTHER.
OUTPUT ALM
1. ↑
2. TIMER OFF ON
3. TGT ALM OFF ON
4. ATA/EPA OFF ON
5. PLOTTER OFF ON
4. Press the [4] key twice to select OUTPUT ALM.
5. Press appropriate numeric key to select the alarm you want to output.
6. Press the [ENTER/SELECT] key followed by the [MENU] key.
1.41 Outputting Target Position (R-type only)
Target position can be output (in IEC 61162-1 format) to a video plotter and marked on its screen
with a symbol. Select target with the trackball and push the A/C RAIN control. Target position is
output to the video plotter connected to the NAV connector on the SPU Board inside the radar
display unit. This function requires position data and compass signal.