Operating Concepts
R&S
®
NRP-Zxx
29
Getting Started 1176.8822.02 ─ 03
–
Compatible driver for the USB-OTG hardware. Make sure that this driver is
already integrated in the device's kernel. Usually it cannot be installed sepa-
rately.
●
Installed R&S Power Viewer Mobile app
●
USB-OTG adapter
Risk of impossible critical communication due to battery drain
Always disconnect the sensor from the host device when the sensor is not in use.
Leaving the sensor connected to the device drains the device battery, potentially mak-
ing critical communications, such as an emergency call, impossible.
Setup
Figure 6-2: Setup with an Android device
1 = Signal source
2 = R&S NRP
‑
Z power sensor
3 = R&S NRP
‑
Z4
4 = USB-OTG cable
5 = USB socket
6 = Android device
Incorrectly connecting/disconnecting the R&S NRP
‑
Z power sensors may damage the
power sensors or lead to erroneous results.
Ensure that you connect/disconnect your power sensors as described in
Starting a measurement
1. Connect the cables as shown in
a) Connect the power sensor to the R&S NRP
‑
Z3 or R&S NRP
‑
Z4 USB adapter.
See
b) Connect the USB-OTG adapter to the R&S NRP
‑
Z3 or R&S NRP
‑
Z4.
c) Plug the USB-OTG adapter into the Android device. The R&S Power Viewer
Mobile app starts automatically.
2. The first time you start the app, you need to accept the Rohde & Schwarz end-user
license agreement.
3. Explicitly authorize the R&S Power Viewer Mobile app to access the connected
power sensor.
Android Device
