WLL80 stuck in saturation at low distances

When using WLL80 fiber amplifier and LL3-TS40 fiber cable at short distances of e.g. 100mm, the fibre optic amplifier may be stuck in saturation. In this case, it shows 9999 digits (or 100%, depending on the settings) on the display.
This problem can also occur with other fibre optic combinations and short distances. 

There are various ways to resolve this issue: 

1. reduce the response time in the main menu
2. reduce the transmission power in the detection submenu

If this does not help, you can use the customised device with reduced transmission power. 

-> WLL80P-22T6Y2DZA71Z1Z1 PN: 6084904