95 Series Operator’s Guide
4-14
71-0011 — REV E
Changing the Alarm Delay
The instrument can be programmed to delay the audible and
visual alarm indications for a pre-determined time after a gas
alarm setpoint has been exceeded. This feature prevents nuisance
alarms caused by transient radio frequency interference (RFI).
The alarm delay can be set from 0þ(noþdelay) toþ3 seconds
(factory setting). To set the alarm delay, turn your monitor on,
allow it to stabilize for a few seconds, then perform the following
steps. Refer to Figure 2-1 for locations of the buttons.
1.
Press and release the ZERO/- and SPAN/+ buttons
simultaneously one or more times, until the character d is
displayed on the LCD, indicating the delay setting mode.
2.
The current alarm delay is displayed. Press the ZERO/-
button to decrease and the SPAN/+ button to increase the
alarm delay setting.
3.
When the desired value is displayed, exit by pressing and
releasing the ZERO/- and SPAN/+ buttons simultaneously
one or more times, until normal mode comes up, as
indicated by only the gas reading without any additional
letter.
Replacing Defective Components
This section describes how to remove and replace the sensor and
battery. The location of these components is shown in Figure 4-1.
NOTE
Electronic components can be damaged by electrostatic
discharge (ESD). All standard ESD precautions must be exercised
while handling the electronic components.
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