Furuno MARINE RADAR 1823C User Manual

4. VIDEO SOUNDER OPERATION
4-20
4.12 Alarms
The sounder section has five conditions which generate audio and visual alarms:
bottom alarm, fish alarm (bottom lock), fish alarm (normal) and water
temperature alarm (temperature sensor required).
You may set up the sounder alarms on the ALARM menu, which may be
displayed by pressing the [ALARM] key.
SOUNDER
ALARM
EDIT
CLEAR
ALARM
RETURN
AUDIO ALARM INTERNAL BUZZ
BOTTOM ALARM OFF
TEMPERATURE ALARM OFF
FISH ALARM
OFF
FISH ALARM (B/L)
OFF
ALARM INFORMATION
NO ALARM
Sounder alarm menu
4.12.1 Audio alarm on/off
The audio alarm sounds whenever an alarm setting is violated. You can enable
or disable the audio alarm as follows:
1. Press the [ALARM] key to show the ALARM menu.
2. Use the trackball
to select ALARM AUDIO.
3. Press the EDIT soft key to show the audio alarm window.
AUDIO ALARM
¡ INT & EXT BUZZ
¤ INTERNAL BUZZ
¡ OFF
Alarm audio window
4. Use the trackball
to select INT & EXT BUZZ (Internal + External alarm),
INTERNAL BUZZ (Internal alarm) or OFF. External buzzer required to select
“INT+EXT BUZZ.” OFF globally turns the audio alarm on or off for all modes,
including radar.
5. Press the ENTER soft key.
6. Press the [ALARM] key to close the menu.

Furuno MARINE RADAR 1823C Specifications

General

Type	Marine Radar
Display Size	10.4 inches
Resolution	800 x 600 pixels
Power Output	4 kW
Antenna Type	Open Array
Rotation Speed	24 RPM
Frequency	9410 MHz (X-band)
Display	LCD
Power Supply	12/24 VDC
Range Scales	0.125, 0.25, 0.5, 12, 24, 48 nautical miles