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Digital AVC Instruction Manual
Quick Start
The HPM 4/5/6 is shipped from the factory fully calibrated, and will provide immediate and accurate
vacuum measurements when used with good gauge tubes.
1. Connect the octal socket to a DV4, DV5 or DV6 gauge tube.
2. Turn the HPM 4/5/6 on using the power button.
3. Check that the tube type displayed in the upper right-hand
4. Check that the units displayed in the lower right-hand corner
5. Once the correct tube type and units have been selected, the
6. Press the power button to turn the unit off. This will help
User Options and Adjustments
3.4.1.
Auto-Shutoff
In order to maximize battery life, the HPM 4/5/6 will automatically power down after about 5 minutes. To
temporarily disable this behavior, hold the power button down at power up until "AUTO OFF DISABLED" is
displayed.
3.4.2.
Contrast Adjust
If the LCD display is difficult to read, the user may adjust the contrast as follows:
•
With power off, press and hold the Units Select key.
•
While holding the units select key, press and hold the power key until "Adjusting Contrast" is
displayed.
•
Release both keys.
•
Use the Tube Select key to increase contrast, and the Units Select key to decrease contrast.
•
Press the power button to save the contrast and return to normal operation.
EAR99 Technology Subject to Restrictions Contained on the Cover Page
Quick Start Instructions
corner of the display matches the attached tube type.
*If not, press the "DV-4, DV-5, DV-6" button until it does*
of the display are set appropriately.
*If not, press the "Torr, mbar, Pa" button until they are*
display will indicate one of the following:
i.
A pressure value within the measurable range of selected tube type.
ii.
Flashing "999 OVER RANGE" which indicates the vacuum gauge tube is
either outside the measurable range, or not connected.
iii.
Flashing "000 UNDER RANGE" which indicates the vacuum gauge tube is at
a pressure less than the measurable range.
prolong battery life.
*If tube type and/or conversion units have been changed, the instrument will
use these selections the next time it is turned on. *
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