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Start Data Logging
When the logging interval has been set, upon pressing ENTER the user will be asked to confirm
that old data can be overwritten. Answer NO to return to the DATA LOGGING MENU without
overwriting existing data. Answer YES, and the Model 1140A will begin logging data. One to
10,000 data points can be captured.
Logging Interval
Pressing ENTER on this option takes the user to an hours-minute-second display at which the user
can select any time-interval setting from one second to 99 hours: 59 minutes: 59 seconds. A
setting of 00:00:00 is not allowed. When incrementing or decrementing time, the seconds do not
spill over to minutes, and the minutes do not spill over to hours.
Viewing Logged Instrument Setup
This screen will allow the user to view all the setup parameters in place when data logging
commenced. It will be displayed in a vertical column that the user can scroll through using either
the ENCODER or ARROW KEYS.
Viewing Logged Data
Data that has been captured can be viewed by selecting this option. The data (time:date:data
point) will be displayed in a vertical column that the user can scroll through using either the
ENCODER or the ARROW KEYS. When using the ARROW KEYS, holding down the up or down
arrow will accelerate the scrolling.
Downloading Data
Once data has been captured, the user can then download it via any installed remote interface.
Refer to
Section VI
for details.
Display Menu
The DISPLAY MENU allows the user to set the screen contrast and backlight intensity for best
viewing. The settings can be changed using either the ENCODER or the ARROW KEYS. The
keyboard is inactive in this menu. Additionally, the user is given the opportunity to set a time
after which the backlight will extinguish, if there has been no front-panel activity. Front-panel
activity resets the countdown for the timeout interval.
DISPLAY MENU
CONTRAST: 20
BACKLIGHT BRIGHT: 50%
BACKLIGHT MODE: TIMED
BACKLIGHT TIME: 1 MINUTE
Figure 4-10: Display Menu
4-17
Operation
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