Icom A220 TSO Instruction Manual - Page 14

3 MEMORY OPERATION ■■General description The transceiver has memory to store frequently used frequencies. You can easily set the desired frequency by selecting the channel from the memory. The figure below shows the structure of the memory mode. There are five memory channel types*. *There may be 4 memory types, depending on the transceiver version. Memory Regular memory channels CH01:127.00 CH02:127.10 CH20: 128.575 ... ... Group memory channels GRP01 GRP02 GRP05 ... CH01:120.10 CH02:120.20 CH10: 130.10 Weather memory channels* History memory channels GPS memory channels DDMemory channel types Regular memory channels (MEMORY) Up to 20 memory channels can be selected. Group memory channels (GRP01-GRP05) There are up to 50 group channels, with 10 channels in each of 5 groups. Weather memory channels (WEATHER)* 10 weather memory channels can be selected. These are used for monitoring NOAA (National Oceanic and Atmospheric Administration) broadcasts. *For only U.S.A. version transceivers History memory channels (HISTORY) Up to 20 history memory channels can be selected. The active frequency is automatically written into history memory channels when you push [ ] to exchange the active and standby frequencies. (except weather memory channels: For only U.S.A. version transceivers.) GPS memory channels (GPS) Up to 10 GPS memory channels can be selected. When connected to an external GPS receiver* equipped with an airport frequency database, you can enter the frequency data at nearby airports into the GPS memory channels. * Ask your dealer for available GPS receiver details. 7