Automatic And Manual Ranging; Ac And Dc Signals - Extech Instruments GX900 User Manual

AUTOMATIC AND MANUAL RANGING
Press the F3 key (RANGE) to open the Range menu. Press F1 key (AUTO) to enable the
Auto Range mode. Press F2 key (MANUAL) to enable
the Manual Range mode. In the Manual Range mode,
move the menu selector to the desired range.
AC AND DC SIGNALS
This meter is capable of displaying both AC and DC
signal components (voltage or current) as two separate readings or one AC+DC (RMS)
value combined. The meter displays AC and DC combinations three ways:

DC displayed over AC (DC, AC)

AC displayed over DC (AC, DC)

AC combined with DC (AC+DC)
Select one of the above combinations using the FUNCTION and MODE menu as
described in the steps below:
1. With the rotary switch set to V, mV, A, mA, or uA press the key labeled MENU
2. Move the menu selector to the menu item labeled MATH
3. Press OK
4. The three labels (AC+DC, AC/DC, and DC/AC) will appear
5. Move the menu selector to the desired menu label
6. Press OK
While in any of the three modes described above Peak Measurements, Frequency,
Duty Cycle, MAX‐MIN, Relative %, and Period Measurements are not available for use.
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Extech Instruments
GX900-EU-EN V1.6 4/14