RKI Instruments GX-2003 Manual - Manual (Page 45)

GX-2003 Operator’s Manual Calibration Mode • 38
Adjusting the LCD Contrast
The contrast setting controls the LCD contrast. Select the setting so the
characters on the display are easy to see. It can be set from 0 to 15. The
higher the setting, the darker the characters and LCD background.
1. From Measuring Mode, enter Calibration Mode by pressing and
holding the (SHIFT)▼ button, then pressing the DISPLAY(ADJ)
button and releasing both. If the unit prompts you for the
password, enter it by using the ▲AIR and (SHIFT)▼ buttons to
select each password number and then pressing and releasing
POWER ENTER to enter it and move on to the next one. The
calibration menu displays with the cursor next to AUTO
CALIBRATION
.
2. Use the (SHIFT)▼ button to place the cursor next to the
CONTRAST menu item.
3. Press and release the POWER ENTER button.The contrast adjust
screen appears.
4. Use the ▲AIR or (SHIFT)▼ button to adjust the setting until the
characters on the LCD are easy to see.
5. Press and release the POWER ENTER button to save the setting
and return to the calibration menu.
6. Use the (SHIFT)▼ button to place the cursor next to the NORMAL
OPERATION menu item, then press and release the POWER
ENTER button to return to Measuring Mode.
AUTO CALIBRATION
SINGLE CALIBRATION
>CONTRAST
NORMAL OPERATION
21:09
CONTRAST
5
21:09