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6.5.8 Parameter 8 Reference check interval (S305)
Reference check does periodic self diagnostics for the monitor.
Parameter 8 sets the time period for the reference check (described in section
6.18). The period can be from 0 to 99 hours (value 0 means: No reference
check).
6.5.9 Parameter 9
Parameter 9 sets the alarm delay time if the reference check indicates an
internal error in the unit. The parameter is the time the alarm is active in case
of a fault found in the reference check. The alarm time can be from 0 to 8
minutes (parameter 9 is set to a value of from 0 to 8). If parameter 9 is set to
value 0 then no alarm signal will be given even if there is an error. If parameter
9 is set to value 9 then an alarm is given continuously until the operator resets
it.
6.5.10 Parameter 10 Output scale
Parameter 10 (left digit = 0.) adjusts output scale from 1-100 %. After
automatic setup procedure output scale is automatically set to 20 %. When
scale is 20 % the maximum range is 5 times higher than concentration during
autosetup. Output scale can adjusted from 1-100 % .
Parameter 10 is set 5 % = > range maximum = 20 x concentration during
autosetup.
Parameter 10 is set 100 % = > range maximum = concentration during
autosetup.
6.5.11 Parameter 11 Output zero adjustment
Parameter 11 is (left digit = 1, middle digit 0.) used to adjust output zero point if
there is background signal when no dust is present. Zero point percentage
decrement of full scale is 0-99 %.
6.5.12 Parameter 12 PIN code (S305)
Parameter 12 shows PIN code. PIN code prevents unauthorized person to
change parameters. PIN code is required to go to service mode in model S305.
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