GX-3R Pro Operator’s Manual Appendix C: Gas Select Mode • 196
1. While in Gas Select Mode, use AIR to place the cursor next to CHANGE LEL.
2. Press and release POWER MODE. The current setting flashes.
3. Use AIR to display the desired setting.
4. Press and release POWER MODE to save the setting and return to Gas Select Mode.
5. See “Exiting Gas Select Mode (START MEASURE)” on page 199 to return to Measuring
Mode.
Exiting Gas Select Mode (START MEASURE)
1. From the main menu, place the cursor in front of START MEASURE at the bottom of the
menu.
2. Press and release POWER MODE.
3. The unit begins its start-up sequence.
MAINTE 7:49
STEALTH
CHANGE LEL
START MEASURE
GAS SELECT MODE
MAINTE 7:49
STEALTH
CHANGE LEL
START MEASURE
GAS SELECT MODE
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