THM500 Series Performance Verification
Handheld and Benchtop Instruments Basic Service
11
Functional Test
The following steps verify basic instrument operation and reset the THM500
series instruments to factory default settings.
1. Install fully charged batteries or use the THMCOM1 Communications
Adapter or the THM5AC Power Adapter optional accessories to provide
power.
2. Press the ON/OFF button to turn the THM500 series instrument on.
3. Press the MENU ON/OFF button to display the menus.
NOTE. The THM575 can display the menus in more than one language. The
language selections are located in the Utility menu.
4. Select UTILITY
"
STATUS
"
DISPLAY from the menus.
5. Press the SELECT button. Verify that the correct THM500 series instrument
model number is displayed.
6. Use the menus to select RESET ALL. It will appear underlined.
7. Press the SELECT button and wait for the confirmation message; then press
the SELECT button again.
8. Verify that the instrument returns to its power-on mode:
H THM550, THM560, THM565, THM570, or THM570U instruments
return to METER mode.
H THM571, THM575, or THM570U Option 3K instruments return to a
banner screen.
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