NXP Semiconductors
UM11036
Point of Sales (POS) Reader Solution - Quick Start Guide
UM11036
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© NXP Semiconductors N.V. 2017. All rights reserved.
User manual
COMPANY PUBLIC
Rev. 1.2 — 7 February 2017
406512
12 of 56
The battery has to be inserted in the battery slot, underneath the TWR-POS-K81 PCB:
Fig 11. Battery location
To insert the battery in the right way, the + symbol has to be on top (visible), as seen in
next figure:
Fig 12. Battery position
