Operation Manual

Page 65FT-897 OPERATING MANUAL
OPTIONAL HIGH STABILITY REFERENCE OSCILLATOR TCXO-9
The TCXO-9 provides high stability over a wide range of ambient temperatures, so as to enhance digital-mode operating.
INSTALLATION OF OPTIONAL ACCESSORIES
1. 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 panel
of the transceiver, when operating the FT-897 with a
DC power supply or optional FP-30 AC power supply.
2. Referring to Figure 1, remove the eight screws affixing
the top cover of the transceiver then disconnect the
speaker’s connector from the MAIN Unit.
3. Fold the top cover centering around the carrying hand
side from the main chassis.
4. Referring to Figure 2, locate the factory-installed REF
UNIT on the board. Remove the factory-installed REF
UNIT from the board, then position the TCXO-9 so that
its connectors are aligned with the mounting pins on the
board, and push it into place.
5. Replace the top case (remember to replace the internal
speaker’s plug).
6. TCXO-9 installation is now complete. Connect the DC
cable to the INPUT jack when operating the FT-897
with a DC power supply or optional FP-30 AC power
supply.
Figure 1 Figure 2
TCXO-9
MAIN unit
TCXO-9
Mounting Location