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7-7
September 2003
TM0048
LaserNET
Program User's Guide
Figure 7-16. Print Button
2. The smoke history graph can be printed in either landscape (horizontal) or portrait (vertical) orientation.
The default is landscape. Select either
Landscape
or
Portrait
.
3. Select
<OK>
to begin printing.
Figure 7-17. Print Options Window
7-1.7
Clearing the Smoke History Buffer
After a period of testing, the history buffer can be cleared to avoid confusion at a later time.
1. From the Display and Control window, select
Options
>
Smoke History>Clear
.
2. Select
<OK>
to clear the stored smoke history.
7-1.8
Setting Smoke History Sample Rate
The smoke history sample rate is programmable over a range of one sample every two to 60 seconds, in
two-second increments. Since the history buffer can store up to 40,320 samples, the length of the monitor-
ing time ranges from 22.4 hours to as long as 28 days. The table below shows typical examples.
Table 7-1. History Buffer Sample Intervals and Monitoring Times
e
t
a
R
e
l
p
m
a
S
r
e
ff
u
B
y
r
o
t
s
i
H
e
m
i
T
g
n
ir
o
ti
n
o
M
s
d
n
o
c
e
S
2
s
r
u
o
H
4
.
2
2
s
d
n
o
c
e
S
4
s
r
u
o
H
8
.
4
4
s
d
n
o
c
e
S
8
s
r
u
o
H
6
.
9
8
s
d
n
o
c
e
S
6
1
s
y
a
D
4
.
7
s
d
n
o
c
e
S
0
3
s
y
a
D
4
1
s
d
n
o
c
e
S
0
6
s
y
a
D
8
2
Note:
The history buffer will be cleared when the sample rate is changed.
1. From the Display and Control window, select
Options>Smoke History>Sample Rate
. The History
Buffer Update Period Window opens, as shown in Figure 7-18.
Содержание HART XL
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