How to fix a Simrad RD68 that will not switch on?
If your Simrad Radio unit won't switch on, it could be due to a faulty power connection. In this case, check the power connection. Alternatively, the fuse may have blown. If this is the case, replace the fuse and check the power supply current.
Why are Simrad RD68 transmissions weak and the display flashes ANT?
If transmissions are persistently weak and the display flashes 'ANT' on your Simrad Radio, it could be due to a damaged antenna. Try replacing the antenna. Another possible cause is a broken antenna cable, so replace the cable. Finally, it may be due to poor contact, so check the antenna sockets and through-deck connector.
What to do if Simrad RD68 Radio will not transmit on 25W but OK on 1W?
If your Simrad Radio will not transmit on 25W but is OK on 1W, it could be due to low voltage when the full transmitting current is drawn. Check the power supply. It may also be that some channels are restricted to low power transmission only, so consult your national authority.
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