Yaesu VX-8DR/E, Руководство по обслуживанию

Страница: 17 / 118

17 VX-8R/E and VX-8DR/E Technical Supplement
Alignment
Tight Squelch Adjustment (TIGH SQL)
Ì
Connect the test equipment as shown in Figure 2: RX
Alignment Setup.
Ì
Rotate the DIAL knob to select the Alignment Menu
" TIGH SQL ".
Ì
Set the RF Signal Generator output to 222.100 MHz, at
a level of 0 dBµ, ±3.5 kHz deviation with a 1 kHz audio
tone.
Ì
Press the [
V/M
] button (the " " icon will appear on
the display).
Ì
Press the [
F/W
] key two times to set the Tight Squelch
level.
Ì
Press the [
V/M
] button (the " " icon will disappear on
the display).
FM S-Meter S-1 Adjustment (S1 LEVEL)
Ì
Connect the test equipment as shown in Figure 2: RX
Alignment Setup.
Ì
Rotate the DIAL knob to select the Alignment Menu "S1
LEVEL" with "NFM" icon.
Ì
Set the RF Signal Generator output to 222.100 MHz, at
a level of 0 dBµ, ±3.5 kHz deviation with a 1 kHz audio
tone.
Ì
Press the [
V/M
] button (the " " icon will appear on the
display).
Ì
Press the [
F/W
] key two times to store the FM S-Meter
S-1 level.
Ì
Press the [
V/M
] button (the " " icon will disappear on
the display).
FM S-Meter Full-Scale Adjustment (S9 LEVEL)
Ì
Connect the test equipment as shown in Figure 2: RX
Alignment Setup.
Ì
Rotate the DIAL knob to select the Alignment Menu
" S9 LEVEL " with " NFM " icon.
Ì
Set the RF Signal Generator output to 222.100 MHz, at
a level of +20 dBµ, ±3.5 kHz deviation with a 1 kHz
audio tone.
Ì
Press the [
V/M
] button (the " " icon will appear on the
display).
Ì
Press the [
F/W
] key two times to store the FM S-Meter
Full Scale level.
Ì
Press the [
V/M
] button (the " " icon will disappear on
the display).
NOTICE:
Do not touch the Alignment Menu "S1 LEVEL"
with "WFM" icon and "S9 LEVEL" with "WFM"
icon.
TX Power (HI) Adjustment (HI POWER)
Ì
Connect the test equipment as shown in Figure 1: TX
Alignment Setup.
Ì
Rotate the DIAL knob to select the Alignment Menu
" HI POWER ".
Ì
Press the [
V/M
] button (the " " icon will appear on the
display).
Ì
Press the PTT switch to transmit and rotate the DIAL
knob so that the Power Meter setting is 1.5 W (±0.1 W).
Ì
Release the PTT switch, and then press the [
V/M
] but-
ton (the " " icon will disappear on the display).
TX Power (L3) Adjustment (L3 POWER)
Ì
Connect the test equipment as shown in Figure 1: TX
Alignment Setup.
Ì
Rotate the DIAL knob to select the Alignment Menu
" L3 POWER ".
Ì
Press the [
V/M
] button (the " " icon will appear on the
display).
Ì
Press the PTT switch to transmit and rotate the DIAL knob
so that the Power Meter setting is 1.0 W ( ±0.1 W).
Ì
Release the PTT switch, and then press the [
V/M
] but-
ton (the " " icon will disappear on the display).
TX Power (L2) Adjustment (L2 POWER)
Ì
Connect the test equipment as shown in Figure 1: TX
Alignment Setup.
Ì
Rotate the DIAL knob to select the Alignment Menu
" L2 POWER ".
Ì
Press the [
V/M
] button (the " " icon will appear on
the display).
Ì
Press the PTT switch to transmit and rotate the DIAL
knob so that the Power Meter setting is 0.5 W (±0.1 W).
Ì
Release the PTT switch, and then press the [
V/M
] but-
ton (the " " icon will disappear on the display).
TX Power (L1) Adjustment (L1 POWER)
Ì
Connect the test equipment as shown in Figure 1: TX
Alignment Setup.
Ì
Rotate the DIAL knob to select the Alignment Menu
" L1 POWER ".
Ì
Press the [
V/M
] button (the " " icon will appear on
the display).
Ì
Press the PTT switch to transmit and rotate the DIAL
knob so that the Power Meter setting is 50 mW (+30
mW/ -20 mW).
Ì
Release the PTT switch, and then press the [
V/M
] but-
ton (the " " icon will disappear on the display).