Title: +038=534.001-RA001._01-Porttelefon i Siedle Stolpe Produktblad.pdf
12 Place the operating panel on the mounting plate and lock into the operating panel using the assembly key. • For letterbox with removal door at the front: Open the letter removal door before mounting the operating panel on the mounting plate. • Push the locking rails on the left and right-hand edge downwards. The marking in the assembly key must be flush when locked with the upper edge of the operating panel.Servicing The operating panel must be removed for servicing.13 Measurement points The measurement points of the function units which are located parallel to the terminals are acces- sible when mounted. The test shaft is normally installed below the rel- evant function unit or depending on space, also next to the function unit where necessary. For measurements, the test shaft cover must be removed. After meas- uring, replace the test shaft cover.