User Guide

2
R20B
Admin Guide
2. Version
This manual applies to hardware 2.0 and firmware 220.30.1.105 version. Please
check the firmware version in website Status - Basic.
Please check the hardware version in website Status - Basic or the label in the
back cover.
3. Model Difference
Feature
/Model
R20BX2
R20BX3
R20BX4
R20BX5
Picture
Display
X
X
X
X
Touch
Screen
X
X
X
X
Button
2 Physical
button
3 Physical
buttons
4 Physical
buttons
5 Physical
button