Industrial Scientific TANGO TX1 Referenzhandbuch Seite 10

Alarms
Different events can produce the same alarm. Events are distinguished from one another through the use
of symbols that appear on the instrument display screen (see the Product Manual for a complete list of
symbols and screens).
Alarm Level : High
The high alarm features the red lights, with steady sound. It is fast-paced.
Gas Present
(H S is shown.)
2
Gas present,
over-range alarm
Nongas high alarms
System alarm Critical low battery
alarm (occurs after
ten minutes of low
battery warning)
Gas present, Gas present, high alarm
negative over-range alarm
Sensor error alarm
(both sensors)
6
STEL alarm
No sensor installed Two sensors "types"
installed