FTA-310 OperATing MAnuAl 49menu (“set”) mode05 [BEEP]Function: Keypad Beeper On/Off.Available Values: on/DTM/oFFDefault Setting: onon: Sounds a beep corresponding to a musical note.DTM: Sounds a beep corresponding to a DTMF tone.off: Disables the key beeper.If you do a lot of scanning, you may wish to set thisMenu item to “oFF,” as the Beeper will be heard eachtime the scanner pauses.06 [RSAV]Function: Selects the Receive-mode Battery Saver“sleep” ratio.Available Values: 1:1 ~ 1:5/oFF/ABSDefault Setting: 1:1The setting of 1:5 will promote the greatest conservationof battery capacity, but the receiver’s response time toincoming calls will be slowed somewhat. ABS: Automatic Battery Saver, based on activity onthe receiver.Note: This feature does not operate during Scan or DualWatch.07 [LAMP]Function: Display and Keypad Illumination Mode.Available Values: KEY/oFF/CNTDefault Setting: KEY“KEY” mode: The illumination lamp will be activatedfor 5 seconds when any front panel keyor the VOLUME knob is pressed, or ifthe DIAL knob is rotated.“oFF” mode: Disables the illumination lamp.“CNT” mode: Illuminates the Display/Keypad continu-ously.08 [SFT]Function: CPU Clock Shift.Available Values: on/oFFDefault Setting: oFFThis function is only used to move a spurious response“birdie” should it fall on a desired frequency. Consultyour YAESU dealer for details regarding this function.09 [PRTM]Function: Selects the Priority Checking Time.Available Values: 05/10/15/20/25/30 (0.5/1/1.5/2/2.5/3 sec.)Default Setting: 20 (2 seconds)This Menu item allows you to define how often the Pri-ority Channel will be checked for activity.Note: The Dual Watch Polling time is 500 mS (fixed).