Yaesu FT-891, Technical Supplement

Page: 21 / 99

FT-891 Technical Supplement
Alignment
ALIGNMENT-13
Current ALC Adjustment

Connect the Microphone to the Microphone
jack.

C o n n e c t t h e 5 0 - O h m D u m m y L o a d a n d
Wattmeter to the ANT jack.

Press and hold in the [A], [B] and [C] keys,
w h i l e t u r n i n g t h e r a d i o o n , t o e n t e r t h e
alignment mode.

Rotate the [MULTI] function knob to select the
alignment menu item “10-01 I-ALC 1.8” for the
1.8 MHz amateur band's ALC Adjustment.

Set the VFO-A frequency to 1.850 MHz in the
CW mode.

Press the PTT switch, then adjust the [RF/SQL]
knob for 110 W on the Wattmeter.

Release the PTT switch, then rotate the [RF/
SQL] knob so that the parameter indication “12”
increase.

Rotate the [MULTI] function knob to select the
alignment menu item “10-02 I-ALC 3.5” for the
3.5 MHz amateur band's ALC Adjustment.

Set the VFO-A frequency to 3.750 MHz in the
CW mode.

Press the PTT switch, then adjust the [RF/SQL]
knob for 110 W on the Wattmeter.

Release the PTT switch, then rotate the [RF/
SQL] knob so that the parameter indication “12”
increase.

Rotate the [MULTI] function knob to select the
alignment menu item “10-03 I-ALC 7” for the 7
MHz amateur band's ALC Adjustment.

Set the VFO-A frequency to 7.100 MHz in the
CW mode.

Press the PTT switch, then adjust the [RF/SQL]
knob for 110 W on the Wattmeter.

Release the PTT switch, then rotate the [RF/
SQL] knob so that the parameter indication “12”
increase.

Rotate the [MULTI] function knob to select the
alignment menu item “10-04 I-ALC 10” for the
10 MHz amateur band's ALC Adjustment.

Set the VFO-A frequency to 10.125 MHz in the
CW mode.

Press the PTT switch, then adjust the [RF/SQL]
knob for 110 W on the Wattmeter.

Release the PTT switch, then rotate the [RF/
SQL] knob so that the parameter indication “12”
increase.

Rotate the [MULTI] function knob to select the
alignment menu item “10-05 I-ALC 14” for the
14 MHz amateur band's ALC Adjustment.

Set the VFO-A frequency to 14.175 MHz in the
CW mode.

Press the PTT switch, then adjust the [RF/SQL]
knob for 110 W on the Wattmeter.

Release the PTT switch, then rotate the [RF/
SQL] knob so that the parameter indication “12”
increase.

Rotate the [MULTI] function knob to select the
alignment menu item “10-06 I-ALC 18” for the
18 MHz amateur band's ALC Adjustment.

Set the VFO-A frequency to 18.130 MHz in the
CW mode.

Press the PTT switch, then adjust the [RF/SQL]
knob for 110 W on the Wattmeter.

Release the PTT switch, then rotate the [RF/
SQL] knob so that the parameter indication “12”
increase.

Rotate the [MULTI] function knob to select the
alignment menu item “10-07 I-ALC 21” for the
21 MHz amateur band's ALC Adjustment.

Set the VFO-A frequency to 21.2255 MHz in the
CW mode.

Press the PTT switch, then adjust the [RF/SQL]
knob for 110 W on the Wattmeter.

Release the PTT switch, then rotate the [RF/
SQL] knob so that the parameter indication “12”
increase.

Rotate the [MULTI] function knob to select the
alignment menu item “10-08 I-ALC 24” for the
24 MHz amateur band's ALC Adjustment.

Set the VFO-A frequency to 24.940 MHz in the
CW mode.

Press the PTT switch, then adjust the [RF/SQL]
knob for 110 W on the Wattmeter.

Release the PTT switch, then rotate the [RF/
SQL] knob so that the parameter indication “12”
increase.

Rotate the [MULTI] function knob to select the
alignment menu item “10-09 I-ALC 28” for the
28 MHz amateur band's ALC Adjustment.

Set the VFO-A frequency to 28.850 MHz in the
CW mode.

Press the PTT switch, then adjust the [RF/SQL]
knob for 110 W on the Wattmeter.

Release the PTT switch, then rotate the [RF/
SQL] knob so that the parameter indication “12”
increase.

Rotate the [MULTI] function knob to select the
alignment menu item “10-10 I-ALC 50” for the
50 MHz amateur band's ALC Adjustment.