406800 V2.1 11/06

4

Operation

Power

Press the ON/OFF button to turn power on or off. The meter will perform a short self-test

when turned on. The meter defaults to the setting used during the last operation.

Zero Adjust and Offset

Before use and without fittings attached to the meter, press the HOLD button for more than 2

seconds to zero the meter. The meter will reset and display “o o o o” from right to left. “0.0”

will now be displayed.

If it is desired to offset the meter’s display, press the DIF button while taking a measurement.

Subsequent readings will be the difference between the current measurement and the

measurement that was on the display when the DIF button was pressed.

Data Hold

Press the HOLD button momentarily to freeze the displayed reading. The 'HOLD' icon will

appear on the upper left-hand side of the display. Press the HOLD button again to return to

normal operation.

Record

The MAX/MIN mode allows the user to view only the highest (MAX) or lowest (MIN) readings

with relative time stamp.

1.

Press the REC button once and “REC” appears on the display (All other functions

are locked out except for Power & Backlight). The relative time clock also appears

in the secondary display and starts counting.

2.

Press the REC button again and “MAX” appears on the display. The display is now

showing the maximum pressure and relative time that it was recorded.

3.

Press the REC button again to display the minimum “MIN” reading with the relative

time.

4.

Press the REC button again to continue recording min/max measurements.

5.

To exit the MIN/MAX mode, press the REC button for 3 seconds to return to normal

operation.

Backlight Display

Press the

key to turn on the backlight. It will remain on for 30 seconds.

Automatic Power Off

The meter will automatically shut off after 20 minutes to conserve battery life. To disable Auto

Power Off, hold down the HOLD button and turn the meter on. An “n” will appear in the

display indicating that Auto Power Off mode is disabled. The meter will return to normal

operation when it is turned off.

Unit

Press the Unit button momentarily and the meter will cycle through the 11 available units of

measure as indicated by the cursor on the bottom of the display.