Vanguard Herculito User Manual
Page 13
Herculito Operating Procedures
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From the Main Menu another test can be run. If all test have been completed, turn off power to
the Herculito, disconnect test leads ground cable and power cable, and stow them. This
completes the procedure for performing the Herculitotest procedure.
NOTE
A “Over-Range” message may appear on the Herculito LCD if the current cables or sense cables
are not connected as shown in figure 3 & 4.
Figure 8 Over-Range Message
6.1.6 Contrast Adjustment
The purpose of this procedure is to adjust the darkness level of the alpha-numeric characters
shown on the LCD display, in order to produce the best readability for the ambient light in the
testing area. To adjust the contrast, turn the control knob to select the ADJ. CONTRAST option
from the Main Menu.
Figure 9 Select Adjust Contrast Menu
a. Press knob to select “ADJ. CONTRAST” mode. The following menu will be shown.
Figure 10 Contrast Menu
b. Turn the control knob for the desired contrast. Press the control knob to set the contrast. The
display will return to the Main Menu. The contrast setting will be recalled each time the
Herculito is turned on and remain until it is changed again using this procedure.
MAIN MENU
ADJUST CONTRAST
“PRESS”= DONE
FINAL TEST RSLT:
OVER-RANGE