Yaesu FT-2000 - MENU MODE LIST, Техническое дополнение

Страница: 33 / 206

ALIGNMENT-19
Alignment
REV-ALC Adjustment
ˆ
Press and hold in the [1(1.8)], [2(3.5)], and [3(7)]
keys, while turning the radio on, to enter the
alignment mode.
ˆ
Rotate the Main Tuning Dial knob to select the
alignment parameter “d40 rAC.”
ˆ
Rotate the [SUB(VFO-B)] knob so that the VFO-B
frequency display shows “060.”
ˆ
Perform the same procedures for the Alignment
Menus “d40 rAC” through “d49 rAC.”
ˆ
Press and hold in the [MENU] button for 2 sec-
onds to save the new setting and exit from the
alignment mode.
FM MAX Deviation Adjustment
ˆ
Connect the Dummy Load, Wattmeter, and De-
viation Meter to the “ANT 1” Jack.
ˆ
Set the Main Band (VFO-A) frequency to 28.700
MHz in the FM mode.
ˆ
Connect the Audio Generator to
pin 8 of the MIC jack (pin 7:
GND), then set the output level
to 10 mV @1 kHz.
ˆ
Press and hold in the [1(1.8)], [2(3.5)], and [3(7)]
keys, while turning the radio on, to enter the
alignment mode.
ˆ
Rotate the Main Tuning Dial knob to select the
alignment parameter “d51 F45.”
ˆ
Press the PTT switch, then rotate the [SUB(VFO-
B)] knob for 4.5 kHz (±0.2 kHz) on the Deviation
Meter.
ˆ
Release the PTT switch.
ˆ
Set the Main Band (VFO-A) operating mode to
the FM-N mode.
ˆ
Rotate the Main Tuning Dial knob to select the
alignment parameter “d52 F23.”
ˆ
Press the PTT switch, then rotate the [SUB(VFO-
B)] knob for 2.25 kHz (±0.15 kHz) on the Devia-
tion Meter.
ˆ
Release the PTT switch.
ˆ
Press and hold in the [MENU] button for 2 sec-
onds to save the new setting and exit from the
alignment mode.
COMP Meter Adjustment
ˆ
Press and hold in the [1(1.8)], [2(3.5)], and [3(7)]
keys, while turning the radio on, to enter the
alignment mode.
ˆ
Rotate the Main Tuning Dial knob to select the
alignment parameter “d57 C10,” then rotate the
[SUB(VFO-B)] knob for “10 dB” on the COMP
meter.
ˆ
Rotate the Main Tuning Dial knob to select the
alignment parameter “d58 C20,” then rotate the
[SUB(VFO-B)] knob for “20 dB” on the COMP
meter.
ˆ
Rotate the Main Tuning Dial knob to select the
alignment parameter “d59 C30,” then rotate the
[SUB(VFO-B)] knob so that the COMP meter de-
flects to full scale.
ˆ
Press and hold in the [MNU] key for 2 seconds
to exit from the alignment mode.
SWR Meter Adjustment
ˆ
Switch the external display to “SWR Monitor”
page.
ˆ
Connect the 50-Ohm Dummy Load and Wattme-
ter to the “ANT 1” Jack, then set the [METER]
switch to the “SWR” position.
ˆ
Disconnect the 3-pin plug from J1015 on the
MAIN Unit, then apply a 4.2 V DC voltage to pin
2 of J1015, and 2.1 V DC to pin 3 of J1015.
ˆ
Press and hold in the [1(1.8)], [2(3.5)], and [3(7)]
keys, while turning the radio on, to enter the
alignment mode.
ˆ
Rotate the Main Tuning Dial knob to select the
alignment parameter “d53cS30.”
ˆ
Press the PTT switch, then rotate the [VRF] knob
so that the SWR meter (on the external display)
reading is “3.0.” The SWR meter reading (3.0) is
broad (few points). Therefore, set the [VRF] knob
to the center of this broad range.
ˆ
Rotate the [SUB(VFO-B)] knob so that the SWR
meter (on the front panel) reading is “3.0.”
ˆ
Release the PTT switch.
ˆ
Perform the same procedures for the Alignment
Menus “d54cS30” and “d55cS30.”
ˆ
Apply a 4.2 V DC voltage to pin 2 of J1015, and
1.4 V DC to pin 3 of J1015.
ˆ
Rotate the Main Tuning Dial knob to select the
alignment parameter “d53bS20.”
ˆ
Press the PTT switch, then rotate the [SUB(VFO-
B)] knob so that the SWR meter (on the front
panel) reading is “2.0.”
ˆ
Release the PTT switch.
MIC IN
MIC GND