Icom IC-RX7, Дополнение к руководству по обслуживанию

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5-2 ADJUSTMENTS
ADJUSTMENT DISPLAYED ITEM OPERATION VALUE
REFERENCE
FREQUENCY 1
[REF]
1) Remove the front panel and LOGIC UNIT to expose
the MAIN UNIT. (Refer to the DISASSEMBLY
INSTRUCTION )
2) Connect a Frequency Counter to the CP6 on the
MAIN UNIT through a thin coaxial cable as below.
3) Adjust the frequency using [DIAL] then push [ENT MW]
key.
19.2000 MHz
±3 ppm
STANDARD SIGNAL GENERATOR
(Inductive coupling)
Internal AM bar antenna
COMMON SETTING;
Modulation : 1 kHz
Deviation :
30%
Level : –20 dBm
FREQUENCY COUNTER
(0.1–30 MHz)
50
Ω
coaxial cable
(ex. RG-174/U)
CP6
GND
50
Ω
coaxial cable
[ENT] key
*Displayed frequency is differ according to versions.
MAIN UNIT (under the LOGIC UNIT)
ADJUSTMENT DISPLAYED ITEM OPERATION VALUE
BAR ANTENNA
SENSITIVITY
(Low MF) 1
[ANL]
1) Inductive coupple an SSG to the internal AM bar
anttena.
2) Set the SSG as;
Frequency : (Displayed on the function display)
Modulation : 1 kHz
Deviation : 30% (AM)
Level : –20 dBm
3) Push [ENT MW] key.
(Automatic
adjustment)
(High MF) 2
[ANH]
1) Inductive coupple an SSG to the internal AM bar
anttena.
2) Set the SSG as;
Frequency : (Displayed on the function display)
Modulation : 1 kHz
Deviation : 30% (AM)
Level : –20 dBm
3) Push [ENT MW] key.