Specifications

– DIGITAL modes are: PKT, DIG and DATA. There are four available settings. PTT2 Immediate is

appropriate for applications which provide for setting a PTT lead time. PTT2 delayed should be used

with applications which do not permit setting a PTT delay. PTT1 immediate should be used when radio

does not have a dedicated digital mode input and you must use the microphone (or Patch) input.

(No PTT) is suitable only for testing purposes.

– FSK modes are: FSK, FSK-R, RTTY and RTTY-R. Three PTT settings are available. Of the three,

PTT2 delayed is strongly recommended when using a power amplifier in order to prevent hot switching.

FOOT SWITCH SEQUENCER

Additional functions can be associated

with the foot switch (or hand mic PTT).

MK2R recognizes when the foot switch

is closed (pressed) or open (released).

MK2R can manipulate CW, FSK, PTT

and audio routing differently based on

the state of the foot switch

Mute serial CW - if checked, virtual port CW (DTR or RTS) generated by an application program will be

muted while the foot switch is pressed. If Restore serial CW is checked, CW will resume when the foot

switch is released (if it has not already ended). If Restore serial CW is not checked, application generated

CW will remain suppressed until the application releases PTT.

Mute serial FSK - if checked, FSK generated by an application will be suppressed while the foot switch is

pressed. If Restore serial FSK is checked, FSK will resume when the foot switch is released (if it has not

already completed). If Restore serial FSK is not checked, FSK will remain suppressed until the

application releases PTT.

Restore serial PTT and audio - if checked, application generated serial PTT will be restored and audio

routing will return to the “serial PTT” setting when the foot switch is released. If Restore serial PTT and

audio is not checked, audio will only return after the application releases PTT.

FSK from Keyboard

If an external PS/2 keyboard is attached to the MK2R, Router supports additional settings for FSK.

Diddle LETTERS will generate the "LETTERS" character if nothing is being typed

UOS implements the "Unshift on Space" function when checked

Type ahead enables a type ahead buffer for the keyboard.

QWERTZ layout configures MK2R for the alternate keyboard layout