Page 17FT-897D OPERATING MANUALFRONT P ANEL C ONTROL & S WITCHESMulti Function Row “o” (MFo) [PLY1, PLY2, PLY3][A] Key: PLY1Press the [A](PLY1) key to send the CW message which is memorized in BEACON TEXT 1.[B] Key: PLY2Press the [B](PLY2) key to send the CW message which is memorized in Keyer BEACON TEXT 2.[C] Key: PLY3Press the [C](PLY3) key to send the CW message which is memorized in Keyer BEACON TEXT 3. [A] [B] [C]Multi Function Row “n” (MFn) [CFIL,--------,--------][A] Key: CFILPress the [A](CFIL) key to select the 2.4 kHz ceramic IF filter.[B] KeyPress the [B] key to select the optional IF filter which is located on the “FIL-1” (Optional Filter 1) slot on the Main Unit.When an optional filter is not installed on the“FIL-1” slot, this key function is disabled, and its label is “N/A.”[C] KeyPress the [C] key to select the optional IF filter which is located on the “FIL-2” (Optional Filter 2) slot on the Main Unit.When an optional filter is not installed on the“FIL-2” slot, this key function is disabled, and its label is “N/A.” [A] [B] [C]Multi Function Row “p” (MFp) [DNR, DNF, DBF][A] Key: DNRPress the [A](DNR) key to activate the DSP Noise Reduction system.Press and hold in the [A](DNR) key for one second recall Menu Mode No-049 [DSP NR LEVEL] (for setting the degreeof DSP Noise Reduction).[B] Key: DNFPress the [B](DNF) key to activate the DSP’s Auto Notch Filter.[C] Key: DBFPress the [C](DBF) key to activate the DSP’s receiver Bandpass Filter.In the SSB, AM, FM, and AFSK modes, press and hold in the [C](DBF) key for one second to recall Menu Mode No-047 [DSP LPF CUTOFF] (for adjusting the high-frequency cutoff of the DSP Bandpass Filter).In the CW mode, press and hold in the [C](DBF) key for one second to recall Menu Item No-045 [DSP BPF WIDTH](for setting the CW bandwidth). [A] [B] [C]Multi Function Row “q” (MFq) [MONI, QSPL, ATC][A] Key: MONIPress the [A](MONI) key to disable the Noise Squelch.You may program the configuration of this key by the Menu Mode No-065 [PG A].[B] Key: QSPLPress the [B](QSPL) key to change the Sub VFO frequency (Main VFO frequency + 5 kHz) and automatically engagethe “Split” feature.You may program the configuration of this key by the Menu Mode No-066 [PG B].[C] Key: ATCPress the [C](ATC) key to activate a 1750-Hz burst tone for 2 seconds when pressing the PTT switch while the channelis clear.You may program the configuration of this key by the Menu Mode No-067 [PG C].