Icom IC-F3021S - Manual (Page 15)

6 - 2
IC-F3020 series
FM
deviation meter
Osciiloscope
to the antenna connector
Attenuator
10 dB or 20 dB
RF power meter
0.1–10 W/50
Frequency
counter
Standard signal generator
0.1 µV to 32 mV
(–127 dBm to –17 dBm)
CAUTION!
DO NOT transmit while
the SSG is connected to
the antenna connector
SINAD meter
Speaker (8 )
To [SP] jack JIG cable 2
JIG cable 1
PC
to USB port
to RS-232C port
OPC-478 (RS-232C type)
OPC-478U (USB type)
Audio
generator
AC
millivoltmeter
To [MIC] jack
T
o
MIC
/ GND
T
o
SP
/ +
–
• CONNECTION
• JIG CABLES
3-conductor 3.5(d) mm plug
(SP + )
(CLONE)
OPC-478/U
(GND)
(SP)
)
[JIG cable 2]
JIG cable
2-conductor 2.5 (d) mm plug
(MIC)
(GND)
33 k Ω
(to the audio generator “ + ” )
[JIG cable 1]
)
PTT
“