Too bad,
Anyhow, if anyone is interested I wrote an applescript to do that.
I hope that this feature will make it into the next version!
Cheers
Giorgio
tell application "Photo Mechanic 5"
activate
delay 0.1
tell application "System Events" to key code 46 using command down
delay 0.1
tell application "System Events" to key code 48
tell application "System Events" to key code 48
tell application "System Events" to key code 49 using option down
tell application "System Events" to key code 48
tell application "System Events" to key code 48
tell application "System Events" to key code 48
tell application "System Events" to key code 48
tell application "System Events" to key code 48
tell application "System Events" to key code 49
end tell