7 MEMORY OPERATION7-2The Memory mode is useful to quickly select often-used frequencies�D Memory channel contentThe following information can be entered into theMemory channels:• Operating frequency• Duplex ON/OFF• Duplex direction (DUP+ or DUP–)• Duplex frequency offset• Memory name• Scan skip setting• Tuning step• Operating mode• Subaudible tone encoder, tone squelch, or DTCSsquelch ON/OFF• Subaudible tone frequency, tone squelch frequency,or DTCS code with polarity• Digital code• Digital Call sign squelch or Digital code squelch ON/OFF• UR station call sign• R1/R2 call signs• Memory BankNOTE: Memory content may be accidentallycleared by static electricity, electric transients,and other causes� In addition, it may be clearedby a malfunction, or during repairs� Therefore, werecommend that you backup the Memory content orsave it to a microSD card* or to a PC�*User suppliedL The CS-31PLUS cloning software can also be usedto backup your memory content� See its instructionmanual for details�D The number of Memory channelsChannel type Number of channelRegular Memorychannel (M-CH)500 channels(000 ~ 499)Program Scan Edgechannel(PROGRAM-CH)50 channels(00A/00B ~ 24A/24B)Call channel (CALL-CH) 2 channels(C0/C1)General description