Radar Troubleshooting; Plotter Troubleshooting; Fish Finder Troubleshooting - Suzuki SMD16 Operator's Manual

15. MAINTENANCE, TROUBLESHOOTING
15.4.2

Radar troubleshooting

Problem
The radar cannot transmit.
Marks and characters appear,
but echoes do not appear.
Picture is not updated or the
picture freezes.
You adjusted the receiver gain,
but radar echoes are too weak.
You changed the range, but the
radar picture does not change.
Poor discrimination in range.
Range rings are not displayed.
You tapped the [TX] icon to
transmit. The "TX screen" ap-
pears momentarily, but the ra-
dar soon goes into stand-by.
15.4.3

Plotter troubleshooting

Problem
Position is not fixed.
The track of your ship is not
plotted.
Forgot the chart unlock code, or
chart lock is reset.
15.4.4

Fish finder troubleshooting

Problem
You selected a fish finder dis-
play, but no picture appears.
Marks and characters appear,
but no picture appears.
Picture appears but zero line
does not appear.
The picture sensitivity is too
low.
The depth indication does not
appear.
15-4
• Tap the [TX] icon again. (The icon is filled in white when the ra-
dar is in transmit state.)
• Check that the antenna cable is tightly fastened.
• Check if the radar source is correct.
• Check the antenna cable for damage and loose connection.
• If the picture is frozen, turn the power off and on again.
• Check the antenna cable for damage and loose connection.
• If the picture has frozen, turn the power off and on again.
The life span of the magnetron in the radar sensor is over. Have a
technician check the magnetron.
• Try to change the range again.
• Turn the power off and on again.
Adjust the sea control.
Check if [Range Rings] is turned on in the [Layers] menu.
The overload protection has activated. To restore normal opera-
tion, turn off all equipment in the network. Wait a few seconds then
turn on all the equipment.
Check for interfering objects near the display unit that might be
blocking reception.
Check if [Tracks] is turned on in the [Layers] menu.
Connect to the internet, then tap [Home][Catalog][Download
codes]. The codes are automatically applied.
• Check that the transducer cable is tightly fastened.
• Check that the fish finder source is correct.
• If you are using a network fish finder, check that it is properly
connected.
Check if the transducer cable is tightly connected.
• The picture is shifted. Check the shift setting.
• Check if the draft setting ([Settings] - [Sounder] - [Transducer
Draft]) is zero or higher.
• If you are in the manual mode, check the gain setting.
• Check the transducer face for marine life and air bubbles.
• Bottom is too soft to return an acceptable echo.
• For manual operation, adjust the gain and range to display the
bottom echo in reddish-brown.
• Adjust the bottom level HF/LF.
Remedy
Remedy
Remedy