User's Manual

Tap the icon of RN4020, the two devices should be connected. From LightBlue
window, service “180A” and “180F”, UUIDs of Device Information and Battery
services respectively should be seen. From terminal emulator, type command “B” to
bond two devices. Apple device will ask if pairing is permitted. Allow pairing to
bond two devices together. Bonding is optional. Tap the icon with label “180A”
should display 7 additional UUIDs for characteristics of Device Information service.
Tab any of the 7 characteristic UUID to display the characteristic window. A button
with label “Read” allows user to read the current setting of those characteristics.
Figure 4 shows snap shot of LightBlue that reads Model Number String of RN4020 in
Device Information service.
Figure 4: Reading Model Number String in Device Information Service