ppbRAE 3000 User’s Guide88Basic User Level & Search ModeWith the instrument in Operation Mode: Search Mode, enter UserMode and select Basic User Level (refer to the section called UserMode for instructions).When the instrument is in Search Mode, it only samples when youactivate sampling. When you see the display that says, “Ready…Startsampling?” press [Y/+] to start. The pump turns on and the instrumentbegins collecting data. To stop sampling, press [N/-] while the maindisplay is showing. You will see a new screen that says, “Stopsampling?” Press [Y/+] to stop sampling. Press [N/-] if you wantsampling to continue.