For recall need only use
RECALL->RECALL 0
or
RECALL->RECALL 1
and e.t.c
if device hang on recall - possibly problem in bad data on it, try reset config and clear settings (use console and run 'clearconfig 1234').
Or you can save some valid data in all slots
After start save data on all slot:
CALIBRATE->SAVE->SAVE1
CALIBRATE->SAVE->SAVE2
CALIBRATE->SAVE->SAVE3
CALIBRATE->SAVE->SAVE4
