Operator’s Manual LTV
®
Series ventilator Page 6-3
p/n 10664, Rev. Y
Control Lock
The LTV
®
Series ventilator front panel controls may be locked so that settings are not accidentally
changed. Two different levels of difficulty can be set for control unlocking: Easy and Hard. Easy
unlocking is the default and this setting is changed using the Extended Features menus
14
. For more
information on using the Control Lock, see Chapter 5 - Control Locking.
To turn the Control Lock on:
1) Push the Control Lock button.
The Control Lock LED is on whenever the front panel controls are locked.
To turn the Control Lock off with Easy unlocking:
1) Push the Control Lock button.
To turn the Control Lock off with Hard unlocking:
1) Push and hold the Control Lock button for 3 seconds.
These controls are not affected by the control lock and operate even when the control lock is on:
Manual Breath, Silence / Reset, Select.
14
See Chapter 10 - Extended Features, Control Unlock for more information.
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