The camera’s portrait mode and landscape mode can be switched freely. You need to press and hold the touch button on the back of the camera for about 8 seconds, the camera will automatically restart. If it's in landscape mode before switching, it will switch to portrait mode; if it's in portrait mode before,It will switch to landscape mode.
The camera may be muted, check whether the light on the nose of the camera is red, if so, press the touch button on the back of the camera to unmute.
Check the speaker interface connected to the RM70, which needs to be connected to the spk-out port.
Microphone Type : Digital Array Microphone
Array
Microphone : Built-in 7 mics to form a circular array microphone
Sensitivity : -26 dBFS
Signal Noise to Ratio : 64 dB(A)
Frequency Response : 20Hz - 16kHz
Pickup Range : 8m
USB Protocol : Support UAC
Automatic Echo Cancellation (AEC) : Support
Automatic Noise Suppression (ANS) : Support
Automatic Gain Control (AGC) : Support
Audio Input :1 x 3.5mm line in
Audio Output : 2 x 3.5mm line out
USB Interface : 1 x USB audio interface
Power Input : USB 5V
Dimensions : Φ 130mm x H 33mm

RM70

RM70-Bracket

RM70-USB Cable

RM70-3.5mm Audio Cable

RM70-Quick Start