5311 SET MODESDD Squelch delaySelects squelch delay from short and long to prevent re-peated opening and closing of the squelch during receptionof the same signal.• Sqt. S : The squelch closes in short delay. (default)• Sqt. L : The squelch closes in long delay.DD DTMF rateThe rate at which DTMF memories send individual DTMFcharacters can be set to accommodate operating needs.• 1: 100 msec. interval; 5.0 cps rate (default)• 2: 200 msec. interval; 2.5 cps rate• 3: 300 msec. interval; 1.6 cps rate• 5: 500 msec. interval; 1.0 cps rate (cps=characters/sec.)DD Dial assignmentSelects [VOL] control action from volume and tuning dial.• tOP.VO: AF volume (default)• tOP.dI : Tuning dialDD Display typeSelects LCD indication type from frequency, channel numberand channel names.• dSP.FR : Shows frequency (default)• dSP.CH : Shows channel number*• dSP.nm : Shows channel names †*Only memory channels can be selected.† Frequency indication will be displayed when the selected memorychannel has no programmed memory name.NOTE: When this setting is selected other than “FR” (“CH”or “nm”) and accessing SET MODE from memory mode,most of set mode items are restricted.