Front and rear panels

1.    SPEED. CW speed pot for the WINKEY keyer. May be deactivated by software.
2.    ON.  Lights when the RigExpert Plus device is plugged in and the drivers are installed.
3.    CW. Shows transmissions in CW mode.
4.    PTT. Indicates when the transceiver transmits.
5.    CAT. Monitors CAT data exchange between transceiver and computer.
6.    FSK. Lights when RigExpert Plus is sending FSK data.
7.    IN1. Input level, channel 1 (main receiver audio). Not active in digital audio (S/PDIF) mode.
8.    IN2. Input level, channel 2 (sub-receiver audio). Not active in digital audio (S/PDIF) mode.
9.    OUT. Output level (audio to the transceiver). Not active in digital audio (S/PDIF) mode.

10.     IN. S/PDIF optical input.
11.     OUT. S/PDIF optical output.
12.     TRANSCEIVER. 25-pin transceiver connector.
13.     PADDLE. CW paddle input.
14.     USB OUT. USB hub output to connect USB devices such as computer mouse.
15.     USB. Connect to the computer USB port.