Boya BY-M1 Pro, User Manual, Page: 8 / 60

Troubleshooting
Problem Solution
The microphone dose not turn
on The battery may be incorrectly oriented in the
battery compartment. Open the battery
compartment and make sure the battery is correctly
installed.
The battery may be exhausted. Replace it with a new
one. See the Specifications section for compatible
replacements.
The battery terminals are dirty. Open the battery
compartment and clean the terminals with a cotton
swab.
The battery discharges too
quickly The microphone is being left on (in the Camera
position). Turn off the microphone by switching to
OFF to save battery when recording stopped.
You are using the microphone in extremely hot or
cold conditions which drains it quickly.
Too much ambience noise is
being picked up When there are too many background noise, switch
to -10dB to reduce unwanted background noise.
Specifications
Transducer Electret condenser
Polar pattern Omni-directional
Frequency range 65 Hz ~18 kHz
Signal/Noise 78 dB SPL
Sensitivity -30 dB ± 3 dB /0 dB=1V/Pa, 1kHz
Output impedance 1000 Ohms or less
Battery type LR44 included /compatible with LR44, 357 and
SR44)
Connector 3.5 mm (1/8”) 4-pole gold plug
Pad switch 0/-10dB
Dimensions 6.0m
Weight 58g