Vertex Standard HX750S, Руководство по настройке

Страница: 2 / 4

FCC ID: K6630323X30
IC ID: 511B-30323X30
Alignment
2/4
Vertex Standard Co., Ltd.
in place. Also, the test equipment must be thoroughly warmed up before beginning.
Set up the test equipment as shown below for transceiver alignment, apply 7.4 VDC power
to the transceiver.
Notes: signal levels in dB referred to in alignment are based on 0 dBµ = 0.5 µV
(closed circuit).
PLL Section
PLL Reference Frequency
ˆ
Connect the wattmeter, dummy load, and frequency counter to the antenna jack.
ˆ
Set the transceiver to CH16 (156.800 MHz) then turn the transceiver off.
ˆ
Press and hold in the PTT , [SQL] , [
▲
] and [
▼
] key while turn the transceiver on to
enter the alignment mode.
ˆ
Press the [
▼
] or [
▲
] key to select the display to [rEF xx].
ˆ
Press the [ MEM ] key to enable adjustment of the PLL Reference Frequency.
ˆ
Press the PTT key to transmit the transceiver, if necessary, press the [
▼
] or [
▲
] key to
adjust the frequency so the counter frequency is 156.800 MHz (±100 Hz).
ˆ
Press the [ MEM ] key to save the new setting.
ˆ
Press and hold the [ PWR ] key for 2 seconds to turn the transceiver off.
Receiver Section
Squelch Hysteresis Adjustment
ˆ
Connect the Radio Tester to the antenna jack.
ˆ
Set the transceiver to CH16 (156.800 MHz) then turn the transceiver off.
ˆ
Press and hold in the PTT , [SQL] , [
▲
] and [
▼
] key while turn the transceiver on to
enter the alignment mode.
ˆ
Press the [
▼
] or [
▲
] key to select the display to [ HS xx].
ˆ
Press the [ MEM ] key to enable adjustment of this Alignment Mode.
ˆ
Press the [
▼
] or [
▲
] key to adjust the hysteresis level.
ˆ
Press the [ MEM ] key to save the new setting.
Squelch Threshold Adjustment
ˆ
Adjust the Radio Tester output level -12 dBµ (with a standard FM modulation: ±3.0 kHz
deviation @ 1 kHz) at 156.800 MHz.
ˆ
Press the [
▼
] or [
▲
] key to select the display to [ TH xx].
ˆ
Press the [ MEM ] key to read the Squelch Threshold data.
ˆ
Press the [ MEM ] key to save the new setting.
Squelch Tight Adjustment
ˆ
Adjust the Radio Tester output level -4 dBµ (with a standard FM modulation: ±3.0 kHz
deviation @ 1 kHz) at 156.800 MHz.
ˆ
Press the [
▼
] or [
▲
] key to select the display to [TI xxx].
ˆ
Press the [ MEM ] key to read the Squelch Tight data.
ˆ
Press the [ MEM ] key again to save the new setting.
ˆ
Press the hold the [ PWR ] key for 2 seconds to turn the Transceiver off.
Transmitter Section
TX Power Adjustment (normal Power)
ˆ
Connect the wattmeter and dummy load to the antenna jack.
ˆ
Set the transceiver to CH16 (156.800 MHz) with “normal” power mode, and then turn
the transceiver off.
ˆ
Press and hold in the PTT , [SQL] , [
▲
] and [
▼
] key while turn the transceiver on to