Yaesu FT-897 Operating Manual
Also see for FT-897: ManualBrochure & specsOperating manualTechnical supplementService manual
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Contents
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Page 65FT-897 OPERATING MANUALOPTIONAL H IGH STABILITY REFERENCE O SCILLATOR TCXO-9The TCXO-9 provides high stability over a wide range of ambient temperatures, so as to enhance digital-mode operating.I NSTALLATION OF O PTIONAL ACCESSORIES1. Turn the transceiver’s power off by pressing and hold-ing in the POWER switch for one second, then discon-nect the DC cable from the INPUT jack on the rear panelof the transceiver, when operating the FT-897 with aDC power supply or optional FP-30 AC power supply.2. Referring to Figure 1, remove the eight screws affixingthe top cover of the transceiver then disconnect thespeaker’s connector from the MAIN Unit.3. Fold the top cover centering around the carrying handside from the main chassis.4. Referring to Figure 2, locate the factory-installed REFUNIT on the board. Remove the factory-installed REFUNIT from the board, then position the TCXO-9 so thatits connectors are aligned with the mounting pins on theboard, and push it into place.5. Replace the top case (remember to replace the internalspeaker’s plug).6. TCXO-9 installation is now complete. Connect the DCcable to the INPUT jack when operating the FT-897with a DC power supply or optional FP-30 AC powersupply.Figure 1 Figure 2TCXO-9MAIN unitTCXO-9Mounting Location |
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