Azden IRH-20 User Manual

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Battery cover

About Ni-MH Battery

1. Ni-MH battery (AZDEN item# APS-20501) life is one year under normal use condition or five hundred times
charging. Replace to new battery when operation time has decreased significantly even fully charged.

2. Use the specified battery charger (AMC-3) when charging.

How to change the batteries

●Batteries are placed in the battery compartment after sliding the battery compartment door down and away.
To remove the battery, pull down + side first.

How to recharge

①Insert the AC adapter into socket and connect with the mic charger.
②Insert the mic into the mic charger.
③The red power LED is growing when charging.
④After 10 hours later, the charging is completed as the indicator turns green.
⑤Make sure the wireless mic is in the OFF position.

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Only special Ni-MH Battery can be rechargeable. Do not attempt to charge any other type of dry cell or rechargeable

battery. You are recommended to use AZDEN original battery "APS-20501".

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Specification

Power DC2.4V (the provided 2-Ni-MH battery)

Dimensions 58 x 240 mm

Weight approx. 300g (Include 2-Ni-MH battery)

Microphone Element Type Dynamic Mic

Mic level 94dB SPL
Frequency response 50〜10kHz

Standard Packing item Ni-MH battery x2

1-12-17 Kamirenjaku Mitaka-shi Tokyo 181-8533 Japan
Tel :[phone] Fax :[phone]
E-mail : [e-mail] URL http://www.azden.co.jp

Printed in Japan 060-35670-01

IRH-20

INFRARED HANDHELD MICROPHONE

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User's Guide

Feature

◆Don't get interference by other generally used wireless method like UHF and VHF.

◆The IRH-20 utilize two emitters at bottom and top for transmitting audio in all 360

degree direction.

◆Two channel setting can be switched either channel on the spot by just changing
the rotary switch.

① Microphone head
② Power indication LED

Green color is indicated when the power is on. If it is red color or non-illumination,
battery charging requires. Use the optional charger (AMC series) in charging. There
are two models chargers AMC-3 or AMC-06.

③ Power switch
The mic. start working by sliding the switch to the ON position.

④ Microphone case
⑤ Infra red emitting point

Audio is transmitted from this point. Don't cover this point by hands and any other
materials.

⑥ Another Infra red emitting point
Also, don't cover this part. Hold the battery cover area when you are in operation.

⑦ Battery cover
The IRH-20 uses two Ni-NH batteries (rechargeable batteries). They are placed in
the battery compartment. After sliding the battery case door off, carefully place
FRESH batteries in the compartment in the directions shown on the sticker.
OBSERVE PROPER POLARITY ! The IRH-20 can use either Alkaline batteries.

⑧ Frequency Selection (CH1〜CH2) and output power Hi/Lo.

1.Frequency Selection (CH1〜CH2)
IRH-20 can select to either one of two preset frequencies.

2. Output power Selection
Output power can be changed Hi/Lo. If the distance between microphone and
receiver is very near, set to Lo for saving battery life. At Lo position, the battery life
is approx.6.5 hours. (when using Azden original battery after full charging). At Hi
position, the battery life is approx. 4.5 hours.

Descriptions

Important safety Instructions

1. Read these instructions for use

2. Keep these instructions in a safe place.

3. Heed all warnings.

4. Follow all instructions

5. Do not use near water

6. Clean only with a dry cloth.

7. Do not block any ventilation openings. Install in accordance with the manufacturer's instructions.

8. Do not install near any heat sources such as central heating radiators ,electric heaters, stoves, or other
units that produce heat (e.g. amplifiers)

9. Only use attachments/accessories specified by the manufacturer.

10.Use only with the cart, stand, tripod, bracket, or table specified by the manufacturer or sold with the unit.
When a cat is used, use caution when moving the cart/unit combination to avoid injury from tip-cover.

11.Unplug during lighting storms or when unused for looking periods of time.

12.Refer all servicing to qualified service personnel. Servicing is required if the unit has been damaged in
any way , such as mains cable or plug damage, liquid has been spilled,objects have fallen inside , the
unit has been exposed to rain or moisture, does not operate properly or has been dropped.

Maintenance and Care

Do not attempt to service this unit yourself as opening or removing covers may expose dangerous voltage
or otherhazars. Refer all servicing to qualified service personnel.
Clean with a dry cloth. Do not use detergents or other liquids.

Replacement parts
When replacement parts are required , be sure the service technician uses replacement parts specified by
the manufacturer or those that have the same characteristics as the original part. Unauthorized substitutions
may result in fire, electric shock, or other hazards.

Safety check
Upon confirmation of any service or repairs to this unit, ask the service technician to perform safely checks
to determine that the product is proper operating condition.

Handling care for Ni-MH battery

1. To prevent the battery break, carefully ready this manual.

2. The operation environment of battery is -20℃〜+60℃. If the operation temperature is out of this range,
the battery may damage.

3. Don't leave the battery inside of car under direct sunshine, don't face he battery for direct sunshine and
don't keep the battery beside heater. Also, don't use the battery at very cold place, which is zero degree
or less than zero.
Such environment may make short life and damage goods.

4. Don't put the battery in the slot water and watery.

5. Inside of battery, it includes the alkaline liquid. If the liquid touches to hands, skin etc., immediately
washes them.

Prohibition :

Don't throw away the battery in the fire and don't make warm it.
Don't soldering it directly.
Minus and plus terminal, don't connect by needle, cable etc.
Don't set the battery +- terminal in reverse.
Don't disassemble and assembly.
Don't throw away and put high pressure on it.
Recharging user only our accepted recharge.
Don't insert battery into car external battery socket, wall socket.
Don't user any other equipment without our permission.