User manual - DATA RECORDER SRD-99 and cooperating software
7.4.
MAIN MENU DESCRIPTION
7.4.1.
”Device information” menu
This menu contains information about the unit and cannot be edited:
”Version”
-
version of unit firmware
,
”Serial no”
-
unit serial number
,
”Memory”
-
unit's memory size
,
”Used”
-
size of used memory
,
”Time left”
-
time remaining until memory will be filled with recorded values, established
on the basis of the currently set recording period and the number of recorded
channels. In the case of controlling the recording process using the digital
input, the value shown relates to the time, during which the voltage level on the
digital input allows the recording of measurements. If no measurement
channels are active the “
Logging disabled
” message is displayed.
Once the memory is filled with recorded measurement results, the
“
Data overwriting
” or “
Logging stopped
” message is displayed (depending
on the set value of the "
Write
" parameter in the "
Logging setup
" menu).
The calculated "
Time left
" time is an
approximated
value. Download the recorded
data to your PC before this time expires. The data downloaded to a PC remain in the
unit's memory, but is not taken into consideration when the "
Time left
" parameter is
established and can be deleted without warning at any moment.
Fig. 7.13. "Device information" menu
7.4.2.
”Display options” menu
This menu contains options that enable the displaying parameters of the LCD to be
changed:
”Backlight”
- this option allows one to define when the LCD backlight is to be switched on.
The following possibilities are available:
”permanent”
- backlight always On,
”temporary”
- backlight is turned on when any key on the unit is pressed and
switches Off after 1 minute since the last activation of the keys,
and turned on for approximately 10 seconds when the unit is
switched on.
”Brightness”
- brightness of display backlight as a percentage
”Contrast”
- contrast of the display as a percentage
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