Data Sheet

10
3.3 Instruction of Buttons on the Instrument
[ ] Home page button:
● Escape from the current page and back to the home page directly.
● The button used together with button [ ] can realize in the OTDR home page "event,
parameters, fiber link, AB cursor” of the information window cycle switch display function.
[R/S] Measure/Stop Button:
● In the home page interface, use the buttons directly into the OTDR interface to start the
test，to achieve a key test operation.
● On the home page of OTDR function module, press this button to start measuring; during
measuring process, press this button to stop measuring.
● On the home page of OTDR function module, When used together with [Shift], can be
realized between the average and real-time measurement mode toggle selection.
[Enter] Confirmation button:
● On the main interface, it can realize the function of icon selection confirmation; when
conducting menu operation, pressing the button indicates that the current operation
comes into effect.
● On the keyboard or drop-down list，confirm corresponding character and data.
● In the menu dialog box, identify the current operation effect.
[ ] [ ]Up/down buttons:
● Select the desired menu icon.
● On the keyboard or drop-down list，select the corresponding characters or data.
● In the folder tree structure window, realize the tree node is moved up or down.
● When used together with [Shift], it can realize longitudinal amplifying and reducing of
contract displaying trace.
[ ] [ ] Left/right buttons:
● realize A/B rod left move or move to the right in the trace display window.
● Choose the selected character in the keyboard.
● In the Settings menu, realize the choice of different page when focus in column page (i.e.
Parameter Setting /File Setting/System Setting).
● In the folder tree structure window, expand or fold the sub-tree.
● When used together with [Shift], it can realize transversal amplifying and reducing of
contract displaying trace.
[Esc] Escape button:
● Back to upper operation page.
[A-B] A/B scale plates switching button, main function of the button:
● On the home page of OTDR function module, it can realize mutual switching of scale
plates A and B in the trace graph area.
● When used together with [Shift], it can realize scale plate A (or B) in the trace graph
switching to the next event position.
[Shift] Shift function button:
● On the home page of OTDR function module, it can realize all trace displaying in the