93MEMORY OPERATION0203n Programming notesï Blank channelA memory or group channel wth no frequency content scalled as a blank channel. When a blank channel s selectedwhle memory programmng, “–––––” appears nstead of afrequency.ï Memory protect functionIC-A210E has a memory protect functon. The functon pre-vents accdental changes or deleton.The functon can be set n the MENU mode (p. 24).n Entering memory mode• Push [RCL] to enter the memory mode.• Push [RCL] to set the selected memory channel frequencyto the standby frequency, then ext the memory mode.• Hold down [RCL] for 2 seconds to ext the memory modewthout changng the prevously set standby frequency.n Memory channel typeThere are four memory types. The memory types are as fol-low:ï Regular memory channel (MEMORY)There are up to 10 avalable memory channels.ï Group memory channel (GRP01–GRP20)There are up to 200 group channels, wth 10 channels neach of 20 groups.ï History memory channel (HISTORY)There are up to 10 avalable hstory memory channels.The actve frequency s wrtten nto hstory memory channelsautomatcally when pushng [↔] to exchange the actve andstandby frequency.ï GPS memory channel (GPS)There are up to 10 avalable GPS memory channels.When connected to an external GPS recever* equpped wthan arport frequency database, the frequency data such asnearby arports can be transferred nto GPS memory chan-nels.*Ask your dealer for avalable GPS recever detals.