Vaisala DM500 - Manual (Page 56)

User's Guide ______________________________________________________________________
54 __________________________________________________________________ M210205EN-D
2 If sampling from process, parameter is relevant only if the optional
pressure sensor is used.(or if the actual P value is set manually)
3 If sampling from process, parameter is relevant only if the optional
flow sensor is used (or if the actual Flow value is set manually).
More about the difference between Td/f and Td on page 128.
To select the displayed quantities:
1. Open the MENU ; press .
2. Select ► Display , press .
3. Select ► Quantities and units , press
4. Select the quantity you want by using the arrow buttons, press
SELECT .
5. Select and change similarly the other quantities and units. Four
quantities can be chosen for the display.
6. Press EXIT to return to the main view.
NOTE
When changing the unit via the serial line, the display unit changes
simultaneously, see command UNIT.
Hold/Save Display
Hold/Save function enables you to freeze a certain display reading.
This reading can be saved into the memory as a single data point.
1. Open MENU : press .
2. Select ► Display , press
3. Select Hold/Save display , press HOLD to freeze the display. The
frozen measurement data is displayed.
4. Press SAVE to save the reading or EXIT to return to the main
view.
5. You can save several readings with HOLD-SAVE function. All the
individually saved readings are stored in a same file marked
with and a start date.