7
○
C
Microphone
Uni-directional electret condenser microphone. In order to avoid the wind noise
caused by the breath of the user, hold the microphone below and approximately
4” from the chin.
○
D
Battery Charge Jack
Plug the BC-31 Battery Charger (included in the Azden Classroom System IR-CSV &
WSV) to charge the supplied rechargeable battery (IHR-3U). Connecting the
charger will automatically turn off the IRN-30 and start charging (the red LED will
be lit). The charge time from flat is typically 10 hours. When charged, the
indicator will be lit orange.
WARNING:
Do NOT attempt to charge a non-chargeable Alkaline battery. Doing
so is DANGEROUS and may cause fire.
○
E
Infrared Emitter
In order for the transmitter to send the infrared signals, the emitter will always
have to be exposed. Do not cover the emitter area.
○
F
Battery Compartment Lid
To open the battery compartment lid, hold the IRN-30 upside down, the lid facing
you, place the both thumbs on the ribs on the lid and slide the lid upward. Insert
an AA rechargeable Ni-MH battery (IHR-3U: included in the Azden Classroom
Systems IR-CSV and IR-WSV) or an AA Alkaline battery following the polarity
marked inside the battery compartment.
WARNING:
Do NOT attempt to charge a non-chargeable Alkaline battery. Doing
so is DANGEROUS and may cause fire.
○
G
Microphone Jack
Plug in an external microphone with 3.5mm mini plug here to override the IRN-
30’s microphones.
○
H
Auxiliary Jack
An external audio source with a mini plug, such as iPod or computer, can be
plugged in here. The IRN-30 will then transmit the audio signals to the IRR-40P
receiver to play the audio through the system’s speakers.