User's Manual

VT-M2M-BTA-DE
3.6 Operation Notice
3.6.1 Change SIM Card
Push the small button on the left of SIM Card Holder, and install the SIM
card to the holder. Then push the holder into the Slot.
3.6.2 Power Supply
Please make sure using adapter in the accessory, or the power is not
reversed when powered by other adapter.