Yaesu FT-817 Operating Manual

Also see for FT-817 -: Brochure & specs Operating manual Technical supplement Manual Modification Instructions

40 FT-817 Operating Manual“USER” Defined Digital ModesAlso provided in the FT-817 are two convenient “USER” Digital modes, one each provid-ing USB- and LSB-side injection, which may be used for SSTV, Fax, Pactor, and otherdigital operating modes.Here is an example involving the configuration of the USER mode for RTTY with USB-sideinjection (as opposed to LSB injection, used in the default “RTTY” mode):1. Use Menu #26 to set the Digital mode to “USER-U.”2. Press the / key, as needed, to select the DIG mode (the “DIG” iconwill appear on the display).3. Now use Menu #27 to configure the transceiver’s passband response. Once in the Menumode, rotate the knob to select Menu #27 (DIG SHIFT), and rotate the knobto set the desired BFO offset (depending on how your TNC’s tones are set up). Fortypical high-frequency tone use, a setting of about “+2100” will be a good startingpoint.4. Finally, depending on how you wish the display to respond, you may program in a corre-sponding display shift, using Menu #24 (DIG DISP). Remember to press and hold in thekey for one second when exiting the Menu mode.5. The setup of the AFSK drive level is identical to that described previously for RTTYoperation.The USER-L and USER-U Digital modes should allow you to operate on any SSB-based AFSK Digital mode. Note that the “PSK31” configurations will also workwell for many Digital operating situations.DIGITAL M ODE O PERATION (SSB-BASED AFSK)TRANSMITTER O PERATION