Riken Keiki TP-70DGII, Руководство по эксплуатации

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6. Operations and Functions 6-1. Gas alarm activation
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6
6.
Operations and Functions
6-1. Gas alarm activation
Gas alarm: Triggered when the concentration of detected gas reaches or exceeds the alarm setpoint value.
<Auto-Reset Operation>
NOTE
The alarm setpoint (first alarm and second alarm) is factory-set. Although the alarm delay time (standard:
two seconds) works in the gas detector to prevent a false activation, it can be canceled if not needed.
<Display Operation>
Gas Concentration Display
In case of over the detection range (Over Scale), "
∩∩∩∩
" is displayed on the LCD.
Power Indicator Lamp (POWER: Green)
This lights up continuously.
Alarm Indicator Lamp (ALM1: Red), (ALM2: Red)
The alarm consists of two steps. Each of them lights up when the respective alarm setpoint value is
reached to or exceeded.