Water Temperature Graph - Furuno 1823C Operator's Manual

Alarm messages
The table below shows the sounder alarm messages and their meanings.
DEPTH ALARM!
FISH ALARM!
TEMPERATURE ALARM!
4.13

Water Temperature Graph

The water temperature graph (appropriate sensor required) plots water
temperature on the sounder display. (See the figure on page 4-3.) It can be
turned on or off as below.
1. Press the [MENU] key to open the menu.
2. Press the SOUNDER MENU soft key.
3. Select TEMPERATURE GRAPH and press the EDIT soft key.
4. Select OFF (default setting) or ON as appropriate.
5. Press the ENTER soft key.
6. Press the [MENU] key to close the menu.
Sounder alarm messages and their meanings
Message
4. VIDEO SOUNDER OPERATION
Meaning
Bottom alarm violated.
Fish alarm violated.
Water temperature alarm violated.
4-25