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DELTA LTL2000S(Q) Retroreflectometer 20
Enter - Activates selected function, accepts changed settings and con-
firms choices.
Home (Home position) - Cancels selected function or menu and return
to top control level displaying the latest measurement result.
Outputs the latest measurement or calibration result to the printer.
Printout has to finish completely before any other function can be se-
lected. Printout can only be terminated by turning off the instrument
with
Menu - When in normal operation mode this key activates the menu
system and displays the first item in the menu stack. When already in
menu mode it selects the next menu item, it is possible to leave the
menu mode entirely at any time with the
key or by selecting other
function keys.
Scroll up - In normal mode the key activates the Clear Top Log
function. See Clear log data below.
In Menu mode it functions as a scroll or increment function. Values
are incremented until they reach their predefined max. limit and then
automatically change to their predefined min. limit. The key is auto
repeating with increasing repetition rate when held active.
Scroll down - In normal mode the key activates the Edit Meas-
urement Id (Seq Id) function. See Measurement id below.
In menu mode it functions as a scroll or decrement function. Values
are decremented until they reach their predefined min. limit and then
automatically change to their predefined max. limit. The key is auto
repeating with increasing repetition rate when held active.
Clear log data
Data log entries can be deleted.
Pressing
in normal mode activates the deletion of the measurement from the top of the data
log. The values from the previous measurement will be shown and if a Measurement id was
defined for that measurement it will be restored as well.
All log data can be deleted using Menu function Free log. See page 24.
Clearing the top log will reset the mean calculation.
Measurement id
LTL2000S(Q) has a built in function to mark each measurement with a user defined name
(sequence id) and a unique sequence number automatic generated by the instrument. The se-
quence id and the sequence number will also be stored in the log. The length of the sequence
id text is 6 characters.
If any sequence id is defined, the id text and a sequence number are shown in the display.