Icom IC-F2721 Service Manual page 17

• CONNECTION
Standard signal generator
–127 to –17 dBm
(0.1 V to 32 mV)
CAUTION:
DO NOT transmit while
SSG is connected to
the antenna connector.
RS-232C cable
(straight)
AC millivoltmeter
Audio generator
• JIG CABLE
Modulation analyzer
(DC measurable)
Attenuator
50 dB or 60 dB
to an RS-232C port
Add a jumper wire here
OPC-1122
(Cloning cable)
RF power meter
50 Ω/ 1–75 W
Frequency
counter
to the antenna connector
PC
to the MIC
connector
JIG CABLE [ ]
PTTE
PTT
MIC
MICE
Electrolytic
capacitor
47µF
5 - 3
DC power supply
13.6 (13.2) V / 20 A
to DC cable
IC-F2721/D
IC-F2821/D
IC-F2710
IC-F2810
PTT switch
+
Audio generator
300 Hz to 3 kHz
AC
millivoltmeter