105AppendixRadio Troubleshooting GuideTo resolve problems that cannot be remedied using this guide, contact Garmin Customer Ser-vice at 913-397-8200 or 800-800-1020.Symptom Probable Cause RemedyRadio not transmitting. Talk key may not be fully depressed. Press and hold TALK key until done talking.FRS/GMRS Radio feature may not be On. Turn radio On.Messages not being received by others.Incorrect channel/Squelch Code setting. Make sure other radios are on the same channel andSquelch Code.Out of radio range or obstructions. Decrease distance between radios.Limited talk range. Natural or man-made obstructions can decrease range. Decrease distance between radios or obtain a better lineof sight between radios.You can hear others, but they cannot hear you or you seean incoming transmission, but nothing is heard.You are on the same channel, but a different SquelchCode.If you are using Squelch Code zero (0), you will hear alltransmissions on that channel. Use the same SquelchCode (1–38) as the other party or use ‘Scan’ to find whatSquelch Code they are on.Message garbled. Scramble option is enabled. Both radios need to have this feature set the same (Rino110 units do not have).Too many unwanted conversations being heard. Too many users on channel or Squelch Code is set tozero.Switch to a different channel and/or use Squelch Codeother than zero (1–38).Interference or static.Radios too far apart or too close Obstructions in radioline of sight.Keep radios at least 3 feet apart. Obtain better line ofsight between radios.Interference from other electronics. Shut off other devices or move away from interfering area.Cannot transmit location. Could be one of a few things: Your view of the satellite isobstructed and a GPS fix is not available. ‘Send Location’is off. 30 seconds have not elapsed since last locationtransmission. GPS is set to Off.Move to a location with a clear view of the sky. Enable‘Send Location’. Wait 30 seconds between locationtransmission. Enable GPS.None of the keys except TALK will work. Keylock is enabled Hold PAGE for 5 seconds to release keylock..