ppbRAE 3000 User’s Guide80Unit IDThis three-digit number keeps data separated by instrument whenmore than one instrument is used in a network. If multiple sensingunits are attempting to communicate with the same Host, then theunits must all have a different Unit ID.1. Press [Y/+] to step through all 10 numerals (0 to 9). If you passthe numeral you want, keep pressing [Y/+]. After it counts up to9, it starts counting up from 0 again.2. Press [N/-] to advance to the next digit. The next digit to the rightflashes.Repeat this process until all three digits of the Unit ID are entered.3. Press [MODE] when you are done. Press [Y/+] to save the change. Press [N/-] to discard the change and move to the next sub-menu.LCD ContrastThe display’s contrast can be increased or decreased from its defaultsetting. You may not need to ever change the default setting, butsometimes you can optimize the display to suit extreme temperatureand ambient brightness/darkness conditions. The minimum value is 20. The maximum value is 60.1. Press [Y/+] to increase the value or [N/-] to decrease the value.2. Press [MODE] to save your selection. Press [Y/+] to save your new contrast value. Press [N/-] to undo it and return to the previous value.
