Software Adjustments (Transmitting And Receiving) - Icom IC-2200H Service Manual

5-2 SOFTWARE ADJUSTMENTS (TRANSMITTING AND RECEIVING)

ADJUSTMENT
REFERENCE 1 • Operating frequency
FREQUENCY • Loosely couple a frequency counter to the antenna
[Fr] connector on the rear panel.
• Transmitting
REFERENCE 1 • Operating frequency
VOLTAGE • Receiving
[rE]
VHF 1 • Operating frequency
• Connect an RF power meter to the antenna connector.
OUTPUT
POWER • Transmitting
(High)
[PO]
2 • Operating frequency
(Middle)
[PO+MID] • Transmitting
(Middle-Low) 3 • Operating frequency
[PO+MID+LOW] • Transmitting
(Low) 4 • Operating frequency
• Transmitting
[PO+LOW]
PROTECT 1 • Operating frequency
• [High]/[Low] switch
VOLTAGE
[PU] • Connect an RF power meter to the antenna connector.
• Transmitting
FREQUENCY 1 • Operating frequency
DEVIATION • IF bandwidth
• Connect an audio generator to the [MIC] jack and set
(Analog)
[dE] as
• Connect an FM deviation meter to the antenna con-
nector and set as :
HPF
LPF
De-emphasis
Detector
• Transmitting
DIGITAL VCO 1 • Operating frequency
DEVIATION • IF bandwidth
• No audio signal is applied to the [MIC] jack.
[dE+DIGITAL]
• Connect an FM deviation meter to the antenna con-
nector and set as :
HPF
LPF
De-emphasis
Detector
• Transmitting
1 • Operating frequency
DTCS WAVE
FORM • IF bandwidth
[dt] • No audio signal is applied to the [MIC] jack.
• DTCS code
• Set an FM deviation meter as:
HPF
LPF
De-emphasis
Detector
• Transmitting
ADJUSTMENT CONDITION
: 146.0 MHz
: 146.0 MHz
: 146.0 MHz
: 146.0 MHz
: 146.0 MHz
: 146.0 MHz
: 146.0 MHz
: High
: 146.0 MHz
: Wide
: 1 kHz/80 mV rms
: OFF
: 20 kHz
: OFF
: (P–P)/2
: 146.0 MHz
: Wide
: OFF
: 20 kHz
: OFF
: (P–P)/2
: 146.0 MHz
: Wide
: 023
: OFF
: 20 kHz
: OFF
: (P–P)/2
• Turn the [DIAL] to set to 146.0000 MHz.
• Push the [S.MW] key.
• Push the [S.MW] key.
• Turn the [DIAL] to set the VHF high power to 67 W.
• Push the [S.MW] key.
• Turn the [DIAL] to set the VHF middle power to 25 W.
• Push the [S.MW] key.
• Turn the [DIAL] to set the VHF low power to 10 W.
• Push the [S.MW] key.
• Turn the [DIAL] to set the VHF low power to 5 W.
• Push the [S.MW] key.
• Push the [S.MW] key while transmitting.
• Turn the [DIAL] to set to ±4.6 kHz.
• Push the [S.MW] key after finish adjustment.
• Turn the [DIAL] to set to ±1.25 kHz.
• Push the [S.MW] key after finish adjustment.
• Turn the [DIAL] to set to flat wave form as shown
below.
• Push the [S.MW] key after finish adjustment.
5 - 3
OPERATION
Set to flat wave
form