Chapter 3. Using the PM880 Screen36 Model PM880 Portable Hygrometer User’s Manual3.2.5 Adjusting the Line/Bar Graph ScaleThe scale of the line and bar graph can be adjusted at any time. You can alsoalter the graph to display details as follows:1. Press [SEL] to move the pointer to the window you want to change andpress [ENTER].2. Use the arrow keys to scroll to Limits and press [ENTER]. A screensimilar to Figure 17 appearsFigure 17: Line Graph Parameters Window3. Use the arrow keys to scroll to Minimum and press [ENTER].4. Use the numeric keys to enter the minimum value for the graph andpress [ENTER].5. Repeat steps 3 and 4 for the maximum value.6. Do one of the following:• If you are using a line graph, proceed to step 7.• If you are using a bar graph, proceed to step 10.7. Use the arrow keys to scroll to the time interval and press [ENTER].
