From The N3UJJ.COM Document LibraryFrom The N3UJJ.COM Document LibraryERASING MEMORY CHANNELSAlthough it is possible to overwrite existing data in any ofthe memory channels with new data, at times you maywish to clear data from memory channels withoutentering new data. It's convenient to clear channels nolonger used so you can identify channels that are free formemorizing new frequencies.1 Press [MR] to select Memory Recall.2 Select the desired memory channel using theENC/SQL control or numeric keys.3 Switch OFF the power.4 Press [MR] + POWER ON.24• The contents of the memory channel are erasedand transferred to the VFO. The VFO is selected.CALL CHANNELThe Call channel can be used to store any frequencywithin your transceiver operating range that you wish tomake your main operating frequency. No matter whatmode the transceiver is in, the Call channel always canbe selected quickly. You may wish to dedicate the Callchannel on a group-wide basis as an emergency channelonly to be used for urgent communications. In this case,Call Scan {page 38} will be useful.• Recalling Call ChannelPress [CALL] to retrieve the contents of the Callchannel.• If [CALL] is pressed again, the previous mode isrestored.• The ENC/SQL control does not function while theCall channel is selected.The Call channel defaults are as follows:Version Default (MHz)TH-22 TH-42Canada 144.000 440.000U.S.A.AustraliaEurope 144.000 430.000General