~~ TI~E ~OCKCH QNT C4REV L. OUT 5 rEP ... ~ , SCANrr~~CD 7/SEEK keyThis key is used to turn memory channel 7 on or off.Pressing the key within 10 seconds of pressing the F keywill select SEEK operated scan.® 8/CAR keyThis key is used to turn memory channel 8 on or off.Pressing the key within 10 seconds of pressing the F keywill select CARRIER operated scan.@ 9/TIME keyThis key is used to turn memory channel 9 on or off.Pressing the key within 10 seconds of pressing the F keywill select TIME operated scan.@ ENT / LOCK keyThis key is used to switch to the direct keyboardfrequency entry mode.Pressing the key within 10 seconds of pressing the F keywill deactivate all functions except the PTT, POWER,MON!. LAMP, F then ENTER (LOCK) keys.If you press the F key for longer than 1 second, thenpress the ENT key the Tuning control lock function willturn on or off.@SHIFT/REV/" keyPressing the key will cause the radio to shift from oneoffset direction to the other, i.e. + to - to simplexwhere no indicator shows. [ - to - - for Europeanversion (TH-4 7 E) ].Pressing the key within 10 seconds of pressing the Fkey will reverse the transmit/receive frequenciseduring repeater operations. If you have selectedsimplex this key will not function.® O/L.OUT keyThis key is used to turn memory channel 0 on or off.Pressing the key within 10 seconds of pressing the Fkey will turn the memory channel lock out function onor off.(/) MHZ/STEP/# keyThis key is used to select the tuning rate of the Tun ingcontrol. When the MHz indicator is lit. the Tuningcontrol will cause the transceiver to increase ordecrease in 1 MHz steps.During VFO operation pressing the key within 10seconds of pressing the F key will select the desiredfrequency step.® SCA N/VM.SCAN keyThis key is used to start or stop scanning.Pressing the key within 10 seconds of pressing the Fkey will start or stop VFO/Memory scan.11