Extech Instruments CG204 User Manual page 6

c. Probe Used
Select AUTO, Fe, or No Fe under PROBE USED in the OPTIONS Menu using the
arrow buttons and the SELECT soft-key.
In the AUTO mode, the meter automatically activates the probe measurement method
(ferrous or non-ferrous) based on the metal substrate that is being measured. When
the probe is placed on a magnetic substrate it will work in the magnetic induction
mode. If the probe is placed on a non-ferrous metal it will work in the eddy current
mode.
In the Ferrous (Fe) Mode the Magnetic induction measurement mode is activated.
In the Non-Ferrous (No Fe) Mode the eddy current measurement mode is activated.
d. Units of measure selections
Select mm, μm, or mils under UNIT SETTING in the OPTIONS Menu using the arrow
buttons and the SELECT soft-key (mm = millimeters; μm = micrometers; mils =
mm*2.54/100)
e. Backlight
Select ON or OFF under BACKLIGHT in the OPTIONS Menu using the arrow buttons
and the SELECT soft-key. If OFF is selected the LCD backlighting will be completely
disabled. If ON is selected, the user can turn the light on or off using the backlight
button (CANCEL button).
f. LCD Statistics
Select AVERAGE, MINIMUM, MAXIMUM, or SDEV (Standard Deviation) under LCD
STATISTICS in the OPTIONS Menu using the arrow buttons and the SELECT soft-
key. This selection determines which statistic is shown as default on the LCD display.
g. Auto Power OFF
Select ENABLE or DISABLE under AUTO POWER OFF in the OPTIONS Menu using
the arrow buttons and the SELECT soft-key. When enabled, the meter automatically
switches OFF after 3 minutes of inactivity. When disabled, the meter will only switch
OFF with a button press or when the battery power is weak.
LIMIT Menu
High and Low Alarm Limits cab be set When an Alarm Limit is reached the meter displays
an Alarm Alert icon (H for High Alarm and L for Low Alarm).
1. Press the MENU button to access the programming menu
2. User the DOWN ARROW button to scroll down to LIMIT and press SELECT
3. Press SELECT again to choose LIMIT SETTING
4. Press SELECT again to choose HIGH LIMIT
5. User the ARROW BUTTONS to set a High Alarm value
6. Press OK to store the limit and press BACK to return to the menu
7. Perform the same steps for the LOW LIMIT
8. Use the DELETE LIMIT parameter to clear Alarm Limit values
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6 CG204-EU-EN V2.1 3/11