Lcd Fast Mode; Lcd Contrast; Secondary Value; Memory Test - Siemens LR250 Instruction Manual

4.9. LCD Fast Mode

Notes:
• LCD Fast Mode takes effect only after 30 minutes of inactivity. (Each time the
device is powered up, a further 30 minutes of inactivity is required.)
• LCD Fast Mode affects Measurement mode only; it has no effect on Navigation
mode.
Enables a faster rate of measurement from the device by disabling most of the
display area. Only the bar graph will be refreshed when LCD Fast Mode is set to ON.
Values

4.10. LCD Contrast

The factory setting is for optimum visibility at room temperature and in average light
conditions. Extremes of temperature will lessen the contrast.
Values
Adjust the value to improve visibility in different temperatures and light conditions.
Change the value in small steps to ensure you can continue to read the display.

4.11. Secondary Value

Use the secondary value to capture the menu navigation path to any viewable
parameter. Once the navigation path is stored, the value of that parameter will be
displayed in Measurement Mode as the secondary value.
While in Parameter View of the current parameter (See
press the decimal point key. This stores the path to the current parameter in the
Secondary Value, and displays the value for that parameter on the LCD display when
in Measurement Mode. [See
operation
.]

4.12. Memory Test

Allows verification of the RAM, EEPROM, and Flash memory of the SITRANS LR250
LCD Display
Handheld
programmer entry
• Press RIGHT arrow to edit then press any numeric key from 1 to 9 to activate the
test.
• The reading will display BUS and then the test result text.
Page 116 SITRANS LR250 (HART) – INSTRUCTION MANUAL
ON or OFF
Default: OFF
Range: 0 (High contrast) to 20 (Low contrast). Default: 10
The LCD Display
IDLE
BUSY
PASS
FAIL
Err1
P Oxcafe
F Oxcafe
to
Parameter view on page 34
on page 33, area (6) under
No test in progress.
Test in progress.
Memory test successful.
Test failed.
Test returned unexpected results.
Test passed with result data.
Test failed with result data.
Any numeric key from 1 to 9 activates test.
),
Normal
7ML19985JE06