2 Operating the MultiRAE PlusThe external filter must always be used with the monitor.Turning the Monitor On and OffTo turn on, press M . The monitor will beep once and go through a90-second warm-up sequence as follows:On! – English, PGM-50Multi-Gas Monitor, Software VersionRAE Systems, Inc. (customizable using ProRAE Suite software)Monitor Type, Serial NumberDate, Time, TemperatureChecking Sensor ID’s (As the MultiRAE Plus checks each sensor, it displaysthe date it was last calibrated and its warranty expiration date. If a new sensoris installed, it will ask for it to be calibrated.)Alarm Limits (for High, Low, STEL, TWA)Instrument Calibration (The last calibration date must be within the last 30days for safe operation.)Battery Shut Off VoltageUser ModeAlarm ModeDatalog MemoryDatalog Time LeftDatalog ModeDatalog PeriodTo turn off after the warm-up is complete, press and holdTo turn off after the warm-up is complete, press and holdTo turn off M for 5seconds. The monitor beeps each second during the count-downsequence. Release when “Off! .........” flashes on the LCD. Plug the110 VAC/12 VDC transformer into the monitor when not in use; the“Charging…..” message appears on the screen.User ModesThe MultiRAE Plus has three user modes: Text, Display, andAdvanced. Each mode provides a different level of access to themonitor’s features. Text mode is the simplest mode, Advanced mode isthe most complex.Operating the MultiRAE Plus!MODEMODE