microHAM micro2R u2R User Manual page 7

(16) RX RADIO1: Disables automatic headphone switching if it was enabled (switch to manual mode) and
connect headphones to RADIO1.
(17) RX RADIO2: Disables automatic headphone switching if it was enabled (switch to manual mode) and
connect headphones to RADIO2.
NOTE: A short press on BOTH R1 (16) and R2 (17) will select the left channel (usually main RX)
from Radio 1 to the left ear and the left channel (usually the main RX) from Radio 2 to the right ear.
A long press of BOTH R1 (16) and R2 (17) at the same time enables automatic headphone
switching (AUTO mode). If enabled, the yellow AUTO light will be lit; the R1 (4) and R2 (6) lights
indicate receive focus.
(18) TX R1/R2: A short press alternately selects transmission on RADIO1 or RADIO 2 and disables
automatic control of transmit focus if it was enabled. A long press enables automatic control of
transmit focus (selected transmitter).
(19) CW SPEED: Provides manual control of the WinKeyer2.
Minimum and Maximum speeds are defined by software.
(20) CW: Indicates the CW output is active.
(21) RADIO 1: Adjusts drive level to RADIO1.
(22) RADIO 2: Adjusts drive level to RADIO2.
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