SOMMER MRL-7, Руководство пользователя

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6. After completion, the MRL-7 displays a message whether the test was successful.
6.8.3 How to insert the MicroSD card
The location of the MicroSD-card slot is shown in Figure 11 .
To insert a SIM-card open the housing as described in Section 6.2
and unlock the card-slot by pressing gently on the metal cover and
sliding it slightly towards the top.
Open the cover of the slot.
Place the MicroSD-card in the correct position onto the contact
pins.
Close the cover and slide it back into the locked position.
6.8.4 How to replace the internal fuse
An internal fuse is mounted next to the X1 power supply terminal to protect the MRL-7 from any power
surges or power failure effects.
To replace the fuse, unplug any externally connected power supply and remove the cover of the MRL-
7 as described in Section
6.2 . Replace the fuse with a new one of type Littlefuse Mini Series 297, 2A,
32V (available, e.g. from Farnell, order-nr. 9943811).
6.8.5 How to replace the internal lithium battery
The 3V lithium button cell battery of type CR1225 powers the data logger clock.