416SELCALL/ALE OPERATION■ Selcall or ALEThe Selcall uses a 4 or 6-digit address (ID) and allowsyou to make an individual/group call. The ALE (auto-matic link establishment) is a system which automati-cally selects an available frequency and establishes acommunication link. The IC-F8100 ALE system com-piles with basic requirements MIL-STD 188-141-B(Appendix A).The selcall or ALE features are not available, de-pending on the preprogramming. Check the selcallor ALE capabilities in the Admin Menu, and then setthe settings to RX&TX.ï Available calls• Selective callThe Selective call allows you to make an individual/group call using an individual ID (identification) as-signed for each transceiver.• Phone callAllows you to make a Phone call through a telephoneinterconnect service provider.• Message callAllows you to exchange up to 64 character* text mes-sages with the intended ID station.* 64 character for ICOM Selcall system; 32 characterfor Open Selcall system.• Send Position callAllows you to send your own position information tothe intended ID station.• Get Position callThe Get Position call allows you to request the in-tended ID station to send position information.• Get Status callRequests to send radio status information includingpower supply voltage, signal strength, output power,VSWR, etc.• Emergency callAllows you to broadcast an emergency signal with ownposition information.• The Phone call, Message call, Send Position call,Get Position call, Get Status call and Emergencycall use Icom original commands, these calls maynot be compatible with other brands. (Icom Selcallsystem)• Depending on the preprogramming, you can selectthe Open Selcall system* for these call except theGet Status call.* Open Selcall system is compatible with other brands.Ask your dealer for details.• Channel Test callThe Channel Test call allows the user determine thesignal quality between your transceiver and specifictransceiver before an individual/group call.• ALE individual/net callAutomatically establish a communication link by usingthe ALE table.• ALE soundingAutomatically sends a sounding signal at a certaininterval (0.5–16 hours) to check the propagationand stores the data in a table. Also available manualsounding.• ALE AMD (Automatic Message Display)Automatically sends and receives up to a 90 charactertext message.