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1
PANEL DESCRIPTION
1-14
Main unit — Front panel
q
COOLING FAN
This is a cooling fan for heat dissipation.
Depending on the internal temperature, it rotates at
a Low, Mid or High speed.
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SD CARD SLOT [SD CARD]
Insert an SD card of up to 32 GB SDHC.
See FM sec. 13 for details.
Main unit — Rear panel
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ANTENNA CONNECTOR 1 [ANT1]
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ANTENNA CONNECTOR 2 [ANT2]
(p. 2-2)
Connect a 50
ø
antenna with a PL-259 plug con-
nector.
• [ANT1] is used for the HF, 50/70 MHz frequency bands.
• [ANT2] is used for the 144/430 MHz frequency bands.
• [ANT1] is used below 74.8 MHz, and [ANT2] is used for
74.8 MHz or above.
When using an optional AH-4, AH-740 or AT-180
Automatic antenna tuner, connect it to the [ANT1]
connector.
e
GROUND TERMINAL [GND]
(p. 2-2)
Connect this terminal to ground to prevent electrical
shocks, TVI, BCI and other problems.
r
TUNER CONTROL SOCKET [TUNER]
(p. 2-6)
Connect the control cable from an optional AH-4 or
AH-740 Automatic antenna tuner.
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DC POWER SOCKET [DC 13.8V]
(p. 2-7)
Connect 13.8 V DC through the supplied DC power
cable.
Rear panel view
y
CONTROLLER CONNECTOR [CONTROLLER]
Connects to the Controller using with the supplied
OPC-2253 Control cable.
• The OPC-2253 Control cable is 3.5 meter (11.5 feet)
length.
• DO NOT use any third party’s Ethernet cables.
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