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12 - External Speaker
External speaker, 8 Ohms 5W.
13 - DC cord
Connect to 12.8Vdc. Red to positive (+), black to negative (-). Please
consider the max current is 15A.
14 – AUX connector
Expansion port for telemetry and other special functions.
15 – Antenna connector
No one of the speaker pins is ground. If you makes a
shortcut of any of these pins to Ground (chassis), then you
will create a permanent damage to the radio.
Reverse polarity will damage the radio. Please double
check the connection before apply DC.
Never use the radio without the appropriate antenna
connected to this terminal.
Содержание ST-3118C
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