WatchGas NEO User Manual page 19

Ent Esc
Right key to enter the
Alarm Limits menu.
5.6.2 HIGH ALARM
The default High Alarm limit is set by the instrument to
match the value for the current measurement gas. To
change the High Alarm limit press the Up or Mode key
to increase or decrease each digit's value, and the Right
or Left key to move the cursor. Move the cursor to ' ' after the setting is complete, and
press Up to save and exit.
5.6.3 LOW, STEL AND TWA ALARMS
Set the Low, STEL and TWA Alarm limits in the same manner as described above for the
High Alarm limit.
Note: All default alarm limits depend on the measurement gas and are expressed in ppm.
5.6.4 ALARM MODE
There are two selectable alarm modes:
LATCHED
When the alarm is triggered, it stays on even when the concentration falls back below
the alarm limit. The alarm must be stopped manually by pressing the Right key
latched setting only controls High, Low, STEL, and TWA alarms.
AUTOMATIC RESET
When the alarm condition is no longer present, the alarm stops automatically.
Press the Up
OK
Ent Esc
Right to select an alarm mode followed by Left to save and exit.
5.6.5 ALARM SETTINGS
The buzzer and light alarms can be programmed to be on or off individually or in
combination. The choices are:
• Both on
• Light only
• Buzzer only
• Both off
Press the Up
OK
Ent Esc
Right to make a selection followed by Left to save and exit.
OK
OK
Ent Esc
or Mode key to step from one alarm mode to the other. Press
OK
Ent Esc
or Mode key to step from one option to the next. Then press
OK
Ent Esc
. The
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