Yaesu VX-8R/E - TX Deviation Adjustment (MAX DEV)

13VX-8R/E and VX-8DR/E Technical Supplement
Alignment
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 2.5 W (±0.1
W).
Ì Release the PTT switch, then press the [
V/M
] button
(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 1.0 W (±0.1
W).
Ì Release the PTT switch, then press the [
V/M
] button
(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) (VX-8E Type: 0.2W±0.05W).
Ì Release the PTT switch, and then press the [
V/M
] but-
ton (the "" icon will disappear on the display).
TX Deviation Adjustment (MAX DEV)
Ì Connect the test equipment as shown in Figure 1: TX
Alignment Setup.
Ì Rotate the DIAL knob to select the Alignment Menu
"MAX DEV".
Ì Set the AF Signal Generator output to 50 mVrms with
a 1 kHz audio tone.
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 Deviation Meter setting is 4.2 kHz ±
0.2 kHz (USA version) or 4.5 kHz ± 0.2 kHz (EXP/EU
versions).
Ì Release the PTT switch, and then press the [MENU ]
key to change the operating mode to "AM" mode.
Ì Increase the AF Signal Generator output to 100 mVrms.
Ì Press the PTT switch to transmit and rotate the DIAL
knob for the 60 % (±10 %) modulation.
Ì Release the PTT switch, and then press the [
V/M
] but-
ton (the "" icon will disappear on the display).
CTCSS TX Deviation Adjustment (100.0Hz)
Ì Connect the test equipment as shown in Figure 1: TX
Alignment Setup.
Ì Rotate the DIAL knob to select the Alignment Menu
"100.0Hz".
Ì Press the [
V/M
] button (the "" icon will appear on the
display).
Ì Press the PTT switch to transmit without the micro-
phone input and rotate the DIAL knob so that the De-
viation Meter reading is 0.65 kHz (±0.05 kHz).
Ì Release the PTT switch, then press the [
V/M
] button
(the "" icon will disappear on the display).
DCS TX Deviation Adjustment (DCS 023)
Ì Connect the test equipment as shown in Figure 1: TX
Alignment Setup.
Ì Rotate the DIAL knob to select the Alignment Menu
"DCS 023".
Ì Press the [
V/M
] button (the "" icon will appear on the
display).
Ì Press the PTT switch to transmit without the micro-
phone input and rotate the DIAL knob so that the De-
viation Meter setting is 0.65 kHz (±0.05 kHz).
Ì Release the PTT switch, and then press the [
V/M
] but-
ton (the "" icon will disappear on the display).