Dahua Digital VTH - Installation with 86 Box; Desktop Installation with Bracket

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2.1.2 Installation with 86 Box
Install the device with 86 box, which is suitable for all types of devices. Take “VTH1560B/BW”
for example.
Embed 86 box into a wall at a proper height.
Fix installation bracket onto 86 box with screws.
Put the device into installation bracket from top down.
Figure 2-2
2.1.3 Desktop Installation with Bracket
Install the device with bracket on the desktop, which only applies to handset VTH. Take
“VTH5221E-H” for example.
With two M3×6 cross recessed countersunk head screws, tighten the metal bracket
onto the top two nuts of desktop bracket.
Please connect wire by reference to Figure 1-2.
After wiring, guide the wire through wire outlet in the rear or at the bottom of desktop
bracket.
Put the handset VTH along slot at the top of metal bracket, and install it into the
bracket.