4 phone locks, 1 activating automatic key lock, 2 activating manual key lock – AASTRA DT390 for MX-ONE User Guide EN User Manual

4 phone locks, 1 activating automatic key lock, 2 activating manual key lock | 1 unlocking the key lock manually | AASTRA DT390 for MX-ONE User Guide EN User Manual | Page 88 / 109