Lowrance Link-9 VHF User Guide

To perform a factory reset, press the MENU button, select 'Settings', then 'System', and choose 'Factory Reset'. Confirm the reset when prompted.
Download the latest firmware from the Lowrance website onto a microSD card. Insert the card into the Link-9 radio and follow the on-screen instructions to complete the update.
To test DSC functionality, tune to channel 70 and send a DSC test call to a friend or another vessel equipped with DSC. Ensure the receiving radio acknowledges the call.
Ensure the antenna is properly connected and not damaged. Check that the radio is set to a working channel and the power output is set correctly. Also, verify that the PTT button is functioning.
Connect the external GPS device to the NMEA 0183 input on the back of the Link-9 radio. Configure the input settings in the 'Settings' menu to ensure proper communication.
Check the power connections and ensure the battery is charged. Verify the inline fuse is intact and not blown. If the problem persists, a professional inspection may be needed.
Press the SQUELCH button and use the rotary knob to adjust the level. Increase the squelch until the background noise is muted, but not so high that it cuts off weak signals.
Yes, the Link-9 has a port for an external speaker or headset. Use a compatible accessory to ensure clear audio communication.
Tune to the desired channel, press and hold the MEM button until a beep is heard to save it to memory. Repeat for additional channels.
Regularly check the antenna and connections for corrosion or damage. Clean the exterior with a damp cloth and ensure firmware is up-to-date. Store in a dry place when not in use.