19FT-8900R Operating ManualMH-42 B6JS M ICROPHONEThe MH-42B6JS is similar to the MH-48A6J, but the MH-42B6JS does not include a DTMFkeypad and its illumination switch.1 PTT SwitchPress this switch to transmit, and release it to receive.2 [ACC]/[P]/[P1]/[P2] Buttons[ACC] button: Press this button to switch the “Main”band between the “Left” and “Right” displays on theLCD screen. This is the best and easiest way to setthe “Main” band to the side you prefer.Pressing and holding in this button for 1/2 second movesoperation to the next-highest frequency band on the “Main”band.[P] button: Press this button momentarily to switch the fre-quency control for the “Main” band between the VFO andMemory Systems.When the “Main” band is set to the VFO mode, press and hold in thisbutton for 1/2 second to activate the Smart Search Feature.When the “Main” band is set to the Memory mode, press and hold inthis button for 1/2 second to shift to the “Memory (offset) Tuning” feature.[P2] button: Pressing this button repeatedly allows selection of the CTCSS or DCS modeon the “Main” band. The selections available are:ENC ENC.DEC (Tone Squelch) DCS OFF ENC ......[P3] button: Press this button momentarily to select the transmitter power output level onthe “Main” band (“LOW,” “MID2,” “MID1,” or “HIGH”).When the “Main” band is set to the Memory mode or Home Channel, press and hold in thiskey for 1/2 second to switch the memory channel display between the “Frequency” formatand “Alpha-numeric Tag” format.You can reprogram the [ACC], [P], [P1], and [P2] buttons for other functions, if desired.See page 51 for details.3 LOCK SwitchThis switch locks out the Microphone buttons (except for the keypad and PTT switch).4 [UP]/[DWN] ButtonPress (or hold in) either of these buttons to tune (or scan up or down) the operatingfrequency or through the memory channels on the “Main” band. In many ways, thesebuttons emulate the function of the (rotary) “Main” band DIAL knob.Notice: If you replace the microphone from the MH-48A6J to MH-42B6JS or viceversa, perform Menu #23 (MIC). See page 63 for details.CONDENSER MICMH-42B1234