Icom IC-7610 Instruction Manual advanced - Page 5
ADVANCED CONNECTIONS, 137 kHz band operation (European version only)
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1. ADVANCED CONNECTIONS 137 kHz band operation (European version only) You can also operate between 135.7 kHz to 137.8 kHz in the CW mode. The RF signal from [X-VERTER] is used for this operation. LThe output of [X-VERTER] is -20 dBm so an up to 1 W linear amplifier may be required. LSee the connection illustration to the right. [X-VERTER] #1 GND [SEND] ••Be sure to turn OFF the transceiver and the amplifier when connecting them. ••To enable the [X-VERTER] connector, set the "Transverter Function" item to ON, or connect a DC MENU » SET > Function > Transverter Function voltage to [ACC 2 (6: TRV)] (★1). ANT Coaxial cable (50 Ω) RX RX Amplifier [RF IN/ OUT] ANT TX PA BPF/ TX LPF [SEND] MENU » SET > Function > Transverter Offset GND ••Set the offset frequency in the "Transverter Offset" item to "0.000 MHz" to match the transceiver's operating frequency with the transmitting frequency. ••The antenna cannot be selected, and the internal antenna tuner cannot be used while the Transverter function is turned ON. 1