Yaesu FTDX1200 Series, Technical Supplement

Page: 30 / 122

FT
DX
1200 Technical Supplement
Alignment
ALIGNMENT-19
IDD Meter Adjustment
Choose one of the adjustment methods described
below, according to the equipment you have avail-
able. If you perform adjustment method (2) Using
a DC Ammeter, complete the transmit adjustments
on ALIGNMENT page 11 through 17.
1) Using an Electronic Load

Remove the jumper that is connected between
J5008 and J5009 on the PA-Unit, then connect
the Electronic Load to J5008 and GND.

Set the VFO-A frequency to 14.200 MHz in the
CW mode.

Press and hold in the [1.8(1)], [3.5(2)], and [7(3)]
keys, while turning the radio on, to enter the
alignment mode.

Rotate the Main Tuning Dial knob to select the
alignment parameter “24-01 IDD MTR”.

Press the PTT button, then adjust the Electronic
Load to “10 A”.

Press the [ENT] key, then release the PTT but-
ton.

Press and hold in the [MENU] button for one
second to save the new setting and exit the
alignment mode.
2) Using a DC Ammeter

Connect the 50-Ohm Dummy Load and Watt-
meter to the “ANT 1” jack.

Remove the jumper that is connected between
J5008 and J5009 on the PA-Unit, then connect
the DC ammeter (20-A range) between J5008
and J5009.

Set the VFO-A frequency to 14.200 MHz in the
CW mode.

Press and hold in the [1.8(1)], [3.5(2)], and [7(3)]
keys, while turning the radio on, to enter the
alignment mode.

Rotate the Main Tuning Dial knob to select the
alignment parameter “24-01 IDD-MTR”.

Press the [MOX] button, then rotate the [PROC/
CAR] knob so the DC ammeter reading is “10
amperes”.

Press the [ENT] key, then release the [MOX]
button.

Press and hold in the [MENU] button for one
second to save the new setting and exit the
alignment mode.
PA U
nit
A
lignment
P
oints
J5008
J5009