96 • Appendix B: Gas Select Mode HS-04 Operator’s Manual
Stealth and Vibrator Settings (STEALTH)
STEALTH
ON:
• The instrument’s backlight does not come on, regardless of the BL TIME setting.
• The instrument’s LED does not come on for any reason, even alarm conditions.
• The instrument’s buzzer does not sound for any reason, even alarm conditions.
• An “S” appears at the bottom of the LCD.
OFF (factory setting): The instrument’s backlight, LED, and buzzer operate normally.
VIB
The VIB setting only affects instrument operation if STEALTH is set to ON.
ON: The vibrator activates for alarm conditions. It can be useful to have this feature turned on if
you have also turned STEALTH on.
OFF
(factory setting): The vibrator does not activate for any reason.
1. While in Gas Select Mode, press AIR to scroll to STEALTH.
2. Press and release POWER MODE. The current STEALTH setting flashes.
3. Use AIR to display the desired setting.
4. Press and release POWER MODE. The current VIB setting flashes.
5. Use AIR to display the desired setting.
6. Press and release POWER MODE to save the setting and return to the STEALTH item in Gas
Select Mode.
7. See “Exiting Gas Select Mode (START)” on page 97 to enter Measuring Mode.
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