ToxiRAE Pro User’s Guide27Settings are available for:• Off/On• Motionless Time (time the instrument is motionless before initiating a pre-alarm)• Sensitivity (set to low, medium, or high to compensate for ambient vibration or motion)• Warning Time (countdown, in seconds, from pre-alarm to Man Down alarm)When the Man Down alarm is activated, the buzzer sounds and LEDs flash continuously, and acountdown begins.• If the ToxiRAE Pro’s user presses [Y/+] for “Yes” in response to the “Are You OK?”question on the screen before the countdown reaches zero, the Man Down alarm stopsand the main reading screen is displayed.• If the person does not press [Y/+] for “Yes” in response to the “Are You OK?”question on the screen before the countdown reaches zero, the Man Down alarm issounded and LEDs flash continuously.• If the person presses [MODE] during the countdown, answering the “Are You OK?”question with “No,” the Man Down alarm starts.If the ToxiRAE Pro’s wireless connectivity is enabled, a Man Down message is also sent toremote observers.Exit (the Alarm Settings Submenu)Press [Y/+] to exit the Alarm Settings submenu. Alarm Settings is exited, and Datalog ishighlighted.If you want to cycle through the Alarm Setting submenus, press [MODE] instead of [Y/+].Exit (the Alarm Settings Submenu)Press [Y/+] to exit the Alarm Settings submenu. Alarm Settings is exited, and Datalog ishighlighted.If you want to cycle through the Alarm Setting submenus, press [MODE] instead of [Y/+].12.5.3. DatalogClear DatalogThis operation erases all data stored in the datalog.Note: Once the datalog is cleared, the data cannot be recovered.Press [Y/+] to clear the datalog. The display asks, “Are you sure?”• Press [Y/+] if you want to clear the datalog. When it has been cleared, the displayshows “Datalog Cleared!”• Press [MODE] if you do not want to clear the datalog.