COMMON TASKSYaesu FT-8800R Operating Manual (courtesy of W5JCK) Page 15 of 83LOW function (factory default for button)• Press the button to select the transmit power output level on the Main band.• When the Main band is set to the Memory mode or Home Channel, press and hold inthis button for ½ second to switch the memory channel display between theFrequency format and Alpha-numeric Tag format.MHz function• Press the button to allow tuning in 1-MHz step on the Main band VFO.• Press and hold the button for ½ second to allow tuning in 10-MHz step on the Mainband VFO.PRI function• Press the button to activate the Priority feature on the Main band.• No press and hold function for this button.REV function• Press the button to reverse the transmit and receive frequencies during split-frequency operation.• Press and hold the button for ½ second to select Repeater Shift direction on the Mainband.RPTR function• Press the button to select Repeater Shift direction on the Main band.• No press and hold function for this button.SCAN function• Press the button to activate the Scanner on the Main band.• When the Main band is set to the Memory mode, press and hold the button for ½second to shift to the Memory Tuning feature.SQL.OFF function• Press the button to open the Squelch on the Main band to allow un-muted reception.• Press and hold the button for ½ second to open the Squelch on the Main band toallow un-muted reception.