Yaesu FT-450, Техническое дополнение, Страница: 17 / 69

ALIGNMENT-9
Alignment
Voltmeter Adjustment
Press and hold in the [ ATT / IPO ], [ NB ], and [ AGC ]
buttons, while turning the radio on, to enter the
alignment mode.
Adjust the DC Power Supply voltage is exactly
13.8 V.
Rotate the [ DSP/SEL ] knob to select the align-
ment parameter "VM-ADJ".
Press the [ STO ] button.
Press and hold in the [ F ] button for 2 seconds to
save the new setting and exit from the alignment
mode.
ATAS Controller Adjustment
Connect the Digital DC voltmeter (high-Z) to the
"ANT" jack.
Press and hold in the [ ATT / IPO ], [ NB ], and [ AGC ]
buttons, while turning the radio on, to enter the
alignment mode.
Rotate the [ DSP/SEL ] knob to select the align-
ment parameter "ATAS DN".
Press the [ STO ] button, then rotate the [ MAIN
DIAL ] knob for 8.0 V on the DC Voltmeter.
Rotate the [ DSP/SEL ] knob to select the align-
ment parameter "ATAS BK".
Press the [ STO ] button, then rotate the [ MAIN
DIAL ] knob for 9.5 V on the DC Voltmeter.
Rotate the [ DSP/SEL ] knob to select the align-
ment parameter "ATAS UP".
Press the [ STO ] button, confirm that the DC Volt-
meter reading is more than 10.5 V.
Press and hold in the [ F ] button for 2 seconds to
save the new settings and exit from the alignment
mode.