Why is there so much noise on my Onwa KF-667 Marine Equipment?
If your Onwa Marine Equipment shows a lot of noise or interference, ensure the transducer or transducer cable isn't too close to the engine. Verify the unit's ground connection. Also, check for other echo sounders operating at the same frequency nearby, as they may be causing interference.
What to do if no water depth readout is shown on Onwa Marine Equipment?
If your Onwa Marine Equipment displays no water depth readout, verify that the bottom echo is painted red or reddish-brown. Also, ensure that the bottom is displayed on the screen.
Why does my Onwa KF-667 have low sensitivity?
If the Onwa Marine Equipment shows signs of low sensitivity, check if the gain setting is suitable for your current conditions. Inspect the transducer for any air bubbles or marine life attached to it. Also, consider whether the water is dirty or if the bottom is too soft to return a proper echo.
Why is position indication absent on Onwa KF-667?
If your Onwa Marine Equipment's position indication is absent or unrealistic, first, check that the equipment plug is securely fastened. If the connection is secure, verify the functionality of your position-fixing equipment.
What to do if there is no echo but range scale shows on Onwa KF-667?
If your Onwa Marine Equipment displays no echo but the range scale is visible, check if the display speed is set to "0". Also, ensure that the transducer plug is firmly connected.
Why is water temperature indication absent on Onwa KF-667 Marine Equipment?
If the water temperature indication is absent or unrealistic on your Onwa Marine Equipment, check that the sensor plug is securely fastened.
How to fix if neither echo nor fixed range scale appears on Onwa KF-667 Marine Equipment?
If neither the echo nor the fixed range scale appears on your Onwa Marine Equipment, check the battery voltage and the fuse. Inspect the battery terminal for any corrosion. Also, ensure that the power cable is securely plugged in.
What to do if echo appears but no zero line on Onwa KF-667 Marine Equipment?
If the echo appears, but there is no zero line on your Onwa Marine Equipment, check if the range shifting is set to “0".
General| Display | Color LCD |
|---|---|
| Display Resolution | 800 x 480 pixels |
| GPS | Yes |
| Chartplotter | Yes |
| Sonar | No |
| Waterproof Rating | IPX7 |
| Operating Temperature | -15°C to +55°C |
| Type | Chartplotter |
| Display Size | 7 inches |
| Supply Voltage | 10.8 to 31.2 V DC |
| Storage Temperature | -20°C to 70°C |
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