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100 MM GRAPHICS RECORDER: USER GUIDE
3.4 DISPLAY MODES (Cont.)
3.4.2 Horizontal Trend display
Entered from the Vertical Trend display by use of the Root Menu 'Cycle' key, this display (figure 3.4.2a) is similar to
the Vertical Trend display described above,except that the traces are produced horizontally rather than vertically.
Figure 3.4.2a Horizontal trend display mode
Engineer
Group Name
99%
Channel 1
21.2613 C
12:03:27
21/02/01
35.00
Faceplates for current
channel.
Touch either faceplate to
increment channel
(or touch pen to select
channel).
Current pen icon
Bargraph
Time at
adjacent
gridline
Non-current
pen icon
12:00:52
21/02/01
12:02:12
21/02/01
0.000
21/02/01 12:02:20 Alarm(s) off 2 (1)
Message bar
Latest message
If this arrow is displayed, then
touching the message bar displays
previous messages
One of the channels is defined as being the 'current' or 'scale' channel, and this is identified on the chart by its pen icon
being diamond shaped rather than triangular as used for non-current channels. If a channel is included in the display
group but its status is 'not good' for some reason, then its pen icon is hollow.
There are two faceplates associated with this display, one above the 'chart', showing the current channel descriptor and
its digital value; the other - to the right of the chart - showing a bargraph representation of the current channel's value
together with a scale showing the low and high range values for the channel. Touching either of these faceplates
causes the current channel number to increment. To select a particular channel to be the current channel, the relevant
pen icon can be touched (briefly, otherwise Trend Review mode will be entered). In either case, the bargraph and the
background colour of the channel descriptor takes the colour of the current channel.
There is no horizontal trace review function - touching the 'chart' for a few seconds (or using the Root menu Options
key, then 'Enter Review') calls the vertical trend history page described in section 3.4.1, above.
Time and date are printed on the 'chart' immediately to the right of alternate vertical grid lines, and it is these grid
lines to which the printed time relates.
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HA027271
Issue 1 Feb 01