Omega Vehicle Security OMB-NETSCAN 1500 User Manual download pdf (Page 87)

NetScan User’s Manual,

11-06-98

PostView 5-5

Channel Information Region

By clicking on the up or down arrows (

, or

) by the channel selection box (item 11), you can select one

channel (of a maximum of 4 overlapping channels) that were assigned to that chart. You could then observe

the chart-related information for that specific channel. You can also select a new channel for the

information region by placing the cursor in (or tabbing over to) the “Center” or “Units/Div” fields and then

pressing PageUp or PageDown. This is particularly useful when your main window has been re-sized such

that the channel selection boxes are not visible.

The following list identifies the various areas of the region.

(10) Chart Max. Scale Value (Grid Limit Line)

(11) Channel Selection (Of chart’s available channels)

(12) Multiply (x2)

(13) Value at Marker

(14) Center(Value at chart mid-line)

(15) Units/Division (Provides the vertical increment of one

grid box.)

(16) Chart Min. Scale Value (Grid Limit Line)

(17)

Divide (

(22) Time at Marker

Multiply and Divide Buttons (12 & 17) - In addition to reading channel values, you can increase or

decrease the size of the selected channel’s chart. This is accomplished with the Multiply (12) and

Divide (17) push buttons. The Multiply push-button effectively increases the size of the selected channel’s

chart by a factor of 2, while automatically adjusting the chart’s high and low values (items 10 and 16).

Aside from “clicking” on the Multiply/Divide controls, you can use your keyboard spacebar to control this

feature once the button (12 or 17) is selected. Selection may be with mouse, or by tabbing over to the

control.

Making changes to a channel’s chart parameters does not affect the parameters of the other channels, with

the following exception: Holding the keyboard’s control key down while adjusting either spinner (

) for

center (item 14), or spinner for units/div (item 15) causes the parameter change to apply to all channels

displayed for the chart, not just the currently selected channel display. This feature applies to the spinners

and keyboard up and down arrow keys, but not to the text input.

Value at Marker (13) - is the charted channel value at the marker position. Item (22) indicates the time

this value was read.

Center Control (14) - changes the value of the selected channel’s chart centerline. Changing the value of

center results in an automatic change of the chart’s high and low end values (items 10 and 16), and possibly

an automatic change of the units/div (item 15). Aside from using the center spinner controls to change

center, you can change the center value by placing the mouse cursor in (or tabbing over to) the field and

then either typing in the desired value, or using the PC keyboard up and down arrow control keys.

Units/div (15) - The units in units/div

(15) can be °C, °F, °K, °R, mV, or V. The division referenced is one

vertical grid. In the example above for Channel 1, each vertical grid increment represents 0.1231°C per

division. Changing the units/division spinner controls (

) will result in an automatic adjustment of the

max scale and min scale values (items 10 and 16). Aside from using the units/div triangular controls to

change the value, you can change units/div from the Display Configuration Setup dialog box as described

on page 5-14.

Time at Marker (22) - is the time at the marker position. It is also the time that the indicated chart value

(13) was read.

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Omega Vehicle Security OMB-NETSCAN 1500 User Manual Page 87

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Omega Vehicle Security OMB-NETSCAN 1500 User Manual Page 87

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