4.2.5 If the measured value is in dead zone or beyond the measuring range, it is displayed as
empty event.
4.2.6 In optical fiber repair work, you can locate break points with the device. When welding
break point, servicemen can use automatic loop test, by pressing SCAN key for above 3 seconds
until SCAN mark shows.
4.2.7 After measurement, the current break point’s value is displayed.
4.2.8 The interval time between automatic tests isabout 5 seconds. When test value changes, it is
estimated that the current break point is recovered.
4.2.9 Press SCAN button once more to exit automatic loop test.
4.2.10 Press IOR key to enter the interface of refractive index modification.
