SMX-30 Controls
All of the controls for the SMX-30 are located on the back of the microphone. For this section you may
refer to Figure 2.
Power Switch
⑩
The SMX-30 has 3 power settings.
OFF: The microphone is powered off and will not drain the batteries.
BATT: The microphone is powered on and will continue to drain the batteries even when disconnected.
AUTO: Senses the presence of “plug-in power” when connected to an audio input that provides it. In
this mode the microphone will be automatically turned on when the camera is on and turned off when
the camera is off. The microphone will also be off when disconnected, so leaving the switch in AUTO
mode will not drain the batteries when not in use.
LED Battery Indicator
⑪
Once switched to AUTO or BATT mode, the LED Battery Indicator light illuminates RED continuously
to indicate good battery life. If the LED is unlit, this indicates that the remaining battery life is low or
batteries are dead. From the time the LED first goes out, about 1 hour of battery life will remain; It is
recommended to change the batteries as soon as possible once this occurs.
Stereo/Mono Switch
⑧
Use this switch to select stereo or mono recording modes. Stereo mode (ST) uses the SMX-30’s two
directional mic elements located at the top
②
. These mic elements are spaced apart at a 120º to best
replicate the way the human ears hear in stereo for a natural sounding stereo image. Stereo mode is
best suited for recording/filming any scene where dialogue is not important. Musical performances,
action sports and nature scenes are all good applications for the stereo mode.
Mono mode uses the highly directional, super-cardioid shotgun microphone
①
. The barrel’s
acoustically tuned slots are what give this microphone its high directionality, making it very sensitive to
sound directly in front while rejecting sound from the sides. The mono mode is well suited for any
situation where capturing clear dialogue is important as it will help to focus on your speaking subject
and reduce the ambient noise present in the environment. This microphone uses the same element as
Azden’s SGM-250 and SGM-250P professional shotgun microphones, so it has been designed to
capture broadcast quality audio.
FIG. 5
6
FIG. 6
LED is unlit.
LED is lit.
LED is lit
if plug-in power is detected.
OFF
BATT
AUTO
OFF
BATT
AUTO
OFF
BATT
AUTO
