FCC ID: K6630553X20
IC: 511B-30553X20
Alignment
YAESU MUSEN Co., Ltd.
3
Before Alignment
Set up the test equipment as shown below, and set the DC Power Supply voltage to 5.3
V.
Set the channel to
CH 16
and
SQL "0"
Starting the alignment mode
Press and hold in the [
16/9
], [
▲
] and [
PRESET
] key while turning the transceiver on to
enter the Alignment Mode.
Adjustment of PLL frequency
Connect the frequency counter to the antenna jack.
Press
the
[
SCAN/DW
] key till “
RE
” is displayed.
Press
[
▲
] or [
▼
] keys while pressing the [
PTT
] key to set the frequency to
156.80000MHz ± 100Hz.
Press
[
VOL/SQL
] key to fix the alignment data.
Adjustment of TX High Power
Connect the wattmeter and 50-ohm dummy load to the antenna jack.
Press
the
[
SCAN/DW
] key till “
HI
” is displayed.
Press
[
▲
] or [
▼
] keys while pressing the [
PTT
] key to set the power to 2.4 ± 0.1W.
Press
[
VOL/SQL
] key to fix the alignment data.
Adjustment of TX Low Power
Connect the wattmeter and 50-ohm dummy load to the antenna jack.
Press
the
[
SCAN/DW
] key till “
Lo
” is displayed.
Press
[
▲
] or [
▼
] keys while pressing the [
PTT
] key to set the power to 0.8 ± 0.1W.
Press
[
VOL/SQL
] key to fix the alignment data.
Adjustment of the Maximum Deviation
Connect the linear detector to the antenna jack and connect the AF signal generator to
the Alignment Jig.
Set the AF signal output level to 200mVrms at 1kHz
Press
the
[
SCAN/DW
] key till “
Md
” is displayed.
Press
[
▲
] or [
▼
] keys while pressing the [
PTT
] key to set the deviation to 4.4 ± 0.1kHz.
Press
[
VOL/SQL
] key to fix the alignment data.