Specifications

B15 – RADIO2 TRANSMIT FOCUS

Selects transmission on RADIO2 and disables automatic control of transmit focus if it was enabled.

The lights below the RADIO buttons indicates which radio is selected (has focus).

Pressing the RADIO1 (B14) and RADIO2 (B15) buttons at the same time enables automatic

selection of transmit focus (AUTO mode) and illuminates the AUTO light. The lights below

the RADIO1 (B14) and RADIO2 (B15) buttons indicate which radio has TX focus (will transmit

in response to a PTT input). Transmit switching is based on the configuration options and

application control signals described later.

B16 – LEFT

Selects the audio source connected to the left channel of Sound Card 2 Line In (MK2R) or “Digital”

Audio Codec (MK2R+).

(4) – Recording/Digital left channel audio status

RADIO1:

A – indicates fixed level audio from VFO A of RADIO1 is connected to the left channel.

B – indicates fixed level audio from VFO B of RADIO1 is connected to the left channel.

RADIO2:

A – indicates fixed level audio from VFO A of RADIO2 is connected to the left channel.

B – indicates fixed level audio from VFO B of RADIO2 is connected to the left channel.

B17 – RIGHT

Selects the audio source connected to the right channel of Sound Card 2 Line In (MK2R) or

“Digital” Audio Codec (MK2R+).

(5) – Recording/Digital right channel audio status

RADIO1:

A – indicates fixed level audio from VFO A of RADIO1 is connected to the right channel.

B – indicates fixed level audio from VFO B of RADIO1 is connected to the right channel.

RADIO2:

A – indicates fixed level audio from VFO A of RADIO2 is connected to the right channel.

B – indicates fixed level audio from VFO B of RADIO2 is connected to the right channel.

Pressing the LEFT (B16) and RIGHT (B17) buttons at the same time enables WYH (What

You Hear). The WYH light will illuminate and headphone audio will be connected to the

Recording/Digital input - left ear to left channel and right ear to right channel.

Note: Do Not Use WYH during Digital operation (RTTY/PSK/etc.). This will result in

headphone audio being sent to the digital demodulators. Performance will be compromised

when adjusting the headphone level for operator comfort.

(6) – PHONES

Output for operator headphones

Connector: 6.3mm (1/4”) stereo

TIP – Left RING – Right SHELL – Common

(7) – MIC

Microphone input (headset microphone)

Connector: 3.5mm (1/8”) stereo

TIP – Signal RING – NC SHELL – Shield