RKI Instruments SC-01 - Manual (Page 19)

SC-01 Operator’s Manual Operation in Measuring Mode • 14
2. Press and release the ▲ DISP button to enter Display Mode. The LCD
backlight will activate and the LCD will display the detection range full
scale value.
3. Press and release the ▲ DISP button again to proceed to the PEAK
Screen. The LCD displays the peak gas reading since the SC-01 was
turned on.
4. Press and release the ▲ DISP button again to proceed to the STEL
Screen. The LCD displays the STEL value.
5. Press and release the ▲ DISP button again to proceed to the TWA
Screen. The LCD displays the TWA value.
6. Press and release the ▲ DISP button again to proceed to the Date/
Time Screen. The LCD displays the current date and time.
7. Press and release the ▲ DISP button again to proceed to the Log
Remaining screen. The LDC displays how much datalogging time
remains.
8. Press and release the ▲ DISP button once again to return to the unit to
Measuring Mode.
NOTE: If you do not press a button for 20 seconds while in Display Mode,
the SC-01 will return to Measuring Mode automatically and the
backlight will turn off 30 seconds since the last button was
pressed.
Alarms
This section covers alarm indications. It also tells you how to reset the SC-
01 after an alarm has occurred and how to respond to an alarm condition.
See Table 6 on page 29 for the standard alarm point settings.
Alarm Indications
The SC-01 will sound an alarm, flash its alarm lights, and vibrate when the
target gas concentration rises above the Warning level. The SC-01 also
sounds an alarm, flashes its alarm lights, and vibrates when the Alarm level
is reached. In addition, the SC-01 has a low battery warning, a dead
battery alarm, an over range alarm, a sensor failure alarm, and a system
failure alarm. See Table 3 below for a description of each alarm indication.