Icom IC-2820H [31/164] Panel description

Icom IC-2820H [31/164] Panel description
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PANEL DESCRIPTION
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iANTENNA CONNECTOR [ANT2 RX] (p. IX)
Connects a 50 antenna with a PL-259 connector and a
50 coaxial cable for diversity reception.
oEXTERNAL SPEAKER JACK 1 [SP-1]
Connects an 8 speaker. Outputs audio from both left and
right bands when no external speaker is connected to [SP-
2]. See the table at right for details.
Audio output power is more than 2.4 W.
!0EXTERNAL SPEAKER JACK 2 [SP-2]
Connects an 8 speaker. Outputs right band’s audio only.
Audio output power is more than 2.4 W.
!1POWER RECEPTACLE [DC13.8V]
Accepts 13.8 V DC ±15% with the supplied DC power
cable.
NOTE: DO NOT use a cigarette lighter socket as a
power source when operating in a vehicle. The plug
may cause voltage drops and ignition noise may be su-
perimposed onto transmit or receive audio.
Speaker information
ANTENNA INFORMATION
For radio communications, the antenna is of critical impor-
tance, to maximize your output power and receiver sensi-
tivity. The transceiver accepts a 50 antenna and a
Voltage Standing Wave Ratio (VSWR) of 1.5:1 or less. High
SWR values not only may damage the transceiver but also
lead to TVI or BCI problems.
Connected
Left band audio Right band audio
speaker
No external
Internal speaker (mixed audio)
speakers
[SP-1] only External speaker (mixed audio)
[SP-2] only Internal speaker External speaker
2 external External speaker via External speaker via
speakers [SP-1] [SP-2]

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