4001 non-addressable control and indicating equipmentUser Manual10 33-0012-r11_2018-03© 2015 ~ 2018 Ambest Electronics (Ningbo) Co Ltd. All rights reserved.All specifications and other information shown were current at the date of publication and subject to change without notice.3.9. Inactivity TimeoutsTimeouts are set to revert to Access Level 1 if there is not activity, and for system safety in the event that thesystem is left without restoring it to Access Level 1. The following timeouts apply: Enable Access Level passcode: No action for 20 s causes return to Access Level 1.When in Access Level 2: Enter Access Level 2 passcode: No action for 20 s causes return to Access Level 1. When performing functions in Access Level 2, no manual input for 20 s causes the process to becancelled. The control and indicating equipment will return to Access Level 2. With no specific function selected, no manual input for 1 h causes return to Access Level 1.When in Access Level 3: Enter Access Level 3 passcode: No action for 20 s causes return to Access Level 1. No activity (eg a button press) for 1 h causes return to Access Level 1. When in Device Test mode, no activity for 4 h causes return to Access Level 1.