Yaesu FT-450 Operation Manual

Also see for FT-450: Brochure & specs Reference Manual User manual Technical supplement

Page 88 FT-450 OPERATION MANUALINSTALLATION OF O PTIONAL ACCESSORIES9. Turn the FT-450 over to access the topside. Con-nect the TMP plug (marked green) from the ATU-450 to J5402 on the MAIN Unit and connect theother TMP plug (marked gray) from the ATU-450to J5404 on the MAIN Unit. Secure the two co-axial cables with the lead clamper.AUTOMATIC ANTENNA T UNER ATU-450 OPERATION10.Replace the Bottom case and Top case with 16screws.11. Connect the DC cable to the ~DC IN jack on therear panel of the FT-450. Turn on the External DCPower Supply’s POWER switch, and then turn onthe FT-450’s POWER by pressing and holding the[POWER(ON/OFF)] switch for one second.TMP plug(marked green)TMP plug(marked gray)Clump12.Press and hold the [F] button for one second toenter the Menu Mode.The “ ” icon will appear in the display.13.Rotate the [DSP/SEL] knob to select the MenuItem “TUNER”.14.Press the [DSP/SEL] knob to enable this selectedMenu Item.15.Rotate the [DSP/SEL] knob to select the desiredATU mode.INT ATU: Passes only the transmitted signalthrough the ATU-450.INTRATU: Passes both transmit and receive sig-nals through the ATU-450.[F] button[DSP/SEL] knob16.Press the [DSP/SEL] knob to save the new set-ting.17.Press and hold the [F] button for one second toreturn to normal operation.The installation and antenna tuner setting is now com-pleted.Operation1. Press the [TUNE] button briefly to activate theAutomatic Antenna Tuner.The “ ” icon will appear in the display.If the transceiver frequency is out of the amateurband, the “ ” icon will not appear.2. Press and hold the [TUNE] button for one secondto begin automatic tuning. The transmitter will beengaged, and the “ ” icon will blink while tun-ing is in progress.3. Tuning will stop automatically when a low SWR isachieved. You may Press and hold the [TUNE]button for one second while tuning is in progress,to cancel the automatic tuning.4. To disable the Automatic Antenna Tuner, pressthe [TUNE] button briefly again.[TUNE] button