Manuals+

MIPRO ACT-2400 Series 2.4 GHz Digital Receiver

Microphone Professionals

Product Overview

This document is the User Guide for the MIPRO ACT-2400 series of 2.4 GHz Digital Receivers. The series includes the following models:

⚠️ Important Safety Instructions

  1. Read these instructions.
  2. Keep these instructions.
  3. Heed all warnings.
  4. Follow all instructions.
  5. Do not use this apparatus 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 radiators, heat registers, stoves, or other apparatus (including amplifiers) that produce heat.
  9. Do not defeat the safety purpose of the polarised or ground plug: A polarised plug has two blades with one wider than the other. The wide blade is provided for your safety. When the provided plug does not fit into your outlet, consult an electrician for replacement of the obsolete outlet.
  10. Protect the power cord from being walked on or pinched particularly at plug, convenience receptacles, and the point where they exit from the apparatus.
  11. Only use attachments/accessories specified by the manufacturer.
  12. Use only with a cart, stand, tripod, bracket, or table specified by the manufacturer, or sold with the apparatus. When a cart is used, use caution when moving the cart/apparatus combination to avoid injury from tip-over.
  13. Unplug this apparatus during lightning storms or when unused for long periods of time.
  14. Refer all servicing to qualified service personnel. Servicing is required when the apparatus has been damaged in any way, such as power-supply cord or plug is damaged, liquid has been spilled or objects have fallen into the apparatus, the apparatus has been exposed to rain or moisture, does not operate normally, or has been dropped.
  15. To reduce the risk of fire or electric shock, do not expose this apparatus to rain or moisture.
  16. Apparatus should not be exposed to dripping or splashing and no objects filled with liquids, should be placed on the apparatus.
  17. Use only with the battery which specified by manufacturer.
  18. The power supply cord set is to be the main disconnected device.

Regulatory Compliance

Federal Communication Commission Interference Statement

This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one of the following measures:

FCC Caution: To assure continued compliance, any changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate this equipment. (Example - use only shielded interface cables when connecting to computer or peripheral devices).

FCC Radiation Exposure Statement

This equipment complies with FCC RF radiation exposure limits set forth for an uncontrolled environment. This equipment should be installed and operated with a minimum distance of 0.5 cm between the radiator and your body.

This transmitter must not be co-located or operating in conjunction with any other antenna or transmitter.

The antennas used for this transmitter must be installed to provide a separation distance of at least 0.5 cm from all persons and must not be co-located or operating in conjunction with any other antenna or transmitter.

This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) This device must accept any interference received, including interference that may cause undesired operation.

Industry Canada Compliance

This device complies with Industry Canada licence-exempt RSS-123 ISSUE 2 / RSS-310 ISSUE 3 standards. Operation is subject to the following two conditions:

(French translation: Le présent appareil est conforme aux CNR d'Industrie Canada applicables aux appareils radio exempts de licence. L'exploitation est autorisée aux deux conditions suivantes : (1) l'appareil ne doit pas produire de brouillage, et (2) l'utilisateur de l'appareil doit accepter tout brouillage radioélectrique subi, même si le brouillage est susceptible d'en compromettre le fonctionnement.)

⚠️ WARNING

  1. FOR OUTDOOR USE: To reduce the risk of fire or electric shock, do not expose this apparatus to rain or moisture.
  2. UNDER WET LOCATION: Apparatus should not be exposed to dripping or splashing and no objects filled with liquids, such as vases should be placed on the apparatus.
  3. SERVICE INSTRUCTIONS: CAUTION - These servicing instructions are for use by qualified service personnel only. To reduce the risk of electric shock, do not perform any servicing other than that contained in the operating instructions unless you are qualified to do so.

⚡ This symbol indicates that dangerous voltage constituting a risk of electric shock is present within this unit. DO NOT OPEN.

ⓘ This symbol indicates that there are important operating and maintenance instructions in the literature accompanying this unit.

Disposal ♻️

Dispose of any unusable devices or batteries responsibly and in accordance with any applicable regulations.

Disposing of used batteries with domestic waste is to be avoided! Batteries / NiCad cells often contain heavy metals such as cadmium (Cd), mercury (Hg) and lead (Pb) that makes them unsuitable for disposal with domestic waste. You may return spent batteries/ accumulators free of charge to recycling centres or anywhere else batteries/accumulators are sold.

By doing so, you contribute to the conservation of our environment!

I. Part Names and Diagrams

The following sections describe the front and rear panel components of the MIPRO ACT-2400 series receivers.

1. ACT-2401 Single-Channel Receiver

Front Panel:

Depicts a receiver unit with the following visible controls: ACT Button, OLED Screen displaying channel info (e.g., CH 08, ID-34, 75%), Parameter Control Knob, POWER Button.

Rear Panel:

Depicts a receiver unit with the following visible connectors: DC IN (12-15V), BALANCED OUT (3-pin XLR type connector), OUTPUT (6.3 Ø (1/4") phone-jack type connector), ANTENNA A, ANTENNA B.

2. ACT-2402 Dual-Channel Receiver

Front Panel:

Depicts a receiver unit with the following visible controls: ACT Button, OLED Screen displaying channel info (e.g., CH 08, CH 01, ID-60, 85%, TXOFF), Parameter Control Knob, POWER Button, Channel I or II Selector.

Rear Panel:

Depicts a receiver unit with the following visible connectors: DC IN (12-15V), BALANCED OUT CH2 (3-pin XLR type connector), OUTPUT CH2, OUTPUT MODE (MIXED / SEPARATE), BALANCED OUT CH1 (3-pin XLR type connector), OUTPUT CH1, ANTENNA A, ANTENNA B.

3. ACT-2412A Dual-Channel Receiver

Front Panel:

Depicts a receiver unit with the following visible controls: ACT Button, OLED Screen displaying channel info (e.g., CH 08, CH 01, ID-34, 95%), Parameter Control Knob, POWER Button, Channel I or II Selector.

Rear Panel:

Depicts a receiver unit with the following visible connectors: DC IN (12-15V), BALANCED OUT CH2 (3-pin XLR type connector), OUTPUT CH2, OUTPUT MODE (MIXED / SEPARATE), BALANCED OUT CH1 (3-pin XLR type connector), OUTPUT CH1, ANTENNA A, ANTENNA B.

4. ACT-2414A Quad-Channel Receiver

Front Panel:

Depicts a receiver unit with the following visible controls: ACT Button, OLED Screen displaying channel info (e.g., CH 08, CH 01, ID-38, 95% and CH 02, CH 03, ID-54, 95%), Parameter Control Knob, POWER Button, Channel I or II Selector.

Rear Panel:

Depicts a receiver unit with the following visible connectors: DC IN (12-15V), BALANCED OUT CH2 (3-pin XLR type connector), OUTPUT CH2, OUTPUT MODE (MIXED / SEPARATE), BALANCED OUT CH1 (3-pin XLR type connector), OUTPUT CH1, ANTENNA A, ANTENNA B.

5. ACT-2412 Dual-Channel Receiver

Front Panel:

Depicts a receiver unit with the following visible controls: ACT Button, OLED Screen displaying channel info (e.g., CH 08, CH 01, ID-60, 85%), Parameter Control Knob, POWER Button, Channel I or II Selector.

Rear Panel:

Depicts a receiver unit with the following visible connectors: DC IN (12-15V), BALANCED OUT CH2 (3-pin XLR type connector), OUTPUT CH2, OUTPUT MODE (MIXED / SEPARATE), BALANCED OUT CH1 (3-pin XLR type connector), OUTPUT CH1, ANTENNA A, ANTENNA B.

6. ACT-2414 Quad-Channel Receiver

Front Panel:

Depicts a receiver unit with the following visible controls: ACT Button, OLED Screen displaying channel info (e.g., CH 08, CH 01, ID-38, 95% and CH 02, CH 03, ID-54, 95%), Parameter Control Knob, POWER Button, Channel I or II Selector.

Rear Panel:

Depicts a receiver unit with the following visible connectors: DC IN (12-15V), BALANCED OUT CH2 (3-pin XLR type connector), OUTPUT CH2, OUTPUT MODE (MIXED / SEPARATE), BALANCED OUT CH1 (3-pin XLR type connector), OUTPUT CH1, ANTENNA A, ANTENNA B.

Detailed Part Names (1-13)

  1. Channel Sync ACT Button
  2. OLED Screen
  3. Parameter Control Knob
  4. POWER Button
  5. Channel I or II Selector
  6. DC Input Jack: center pin is positive and sleeve is ground
  7. Balanced Audio Output Socket: 3-pin XLR type connector
  8. Mixed Unbalanced Audio Output Jack: 6.3 Ø (1/4") phone-jack type connector
  9. Mixed and Separate Output Switch
  10. Unbalanced Audio Output Jack: 6.3 Ø (1/4") phone-jack type connector
  11. TNC Antenna Connector
  12. TNC Connector for Daisy Chain Output
  13. Antenna

II. Receiver Installation

  1. DC Plug In: Plug the DC plug into the DC-input jack (6) and the power cord into a power outlet. (Various outlets fitting the standards of various countries are available for this unit) (Standard Taiwan Voltage: AC 110V).
  2. Audio Output Connection:
    • (A) Use audio output cables with “XLR” or “Cannon” type connectors, connect one end to the balanced output jacks (7) of the receiver, and the other end to the "MIC IN” input jack of the mixer or amplifier.
    • (B) Use audio output cable attached with "6.3 Ø Phone Jack" type, connect one end from the unbalanced output jack (8 or 10) of the receiver and the other end to the “LINE-IN” input jack of the mixer/amplifier. Use the Mixed and Separate Output Switch (9) for Mixed or Separate output.

Diagram shows rear panel connections for DC IN, BALANCED OUT CH2, OUTPUT CH2, OUTPUT MODE, BALANCED OUT CH1, OUTPUT CH1, with corresponding cables plugged in.

Diagram shows the configuration of the 3-pin XLR connector: 1 GND, 2 HOT+, 3 COLD.

ACT-2412A / ACT-2414A Antenna Installation & Daisy Chain

  1. (A) Install supplied 2.4 GHz receiver TNC antenna A & B at TNC Antenna Connector (11).

    2. Diagram shows TNC antennas being screwed into the TNC Antenna Connector (11) on the rear panel.

  2. (B) TNC connector for daisy chain output (12) can be daisy-chained up to three receivers (one master receiver plus two daisy-chained receivers) one by one for optimal reception quality.

    3. Diagram shows three receiver units connected in a chain using the TNC connectors for daisy chain output.

  3. (C) Install the optional rack mount kit & rear-to-front cables for improved reception quality.

    4. Diagram shows rack mount brackets and cables for installing receivers in a rack.

Receiver Rackmount Installation

  1. Install and fasten the rackmount kits on the receiver.

    2. Diagram shows rackmount kits being attached to 1/2RU and 1RU receivers.

  2. Optional rackmount kits for one 1/2RU receiver or rackmount kits for one 1RU receiver.
  3. Can be installed into an EIA standard rackmount kits.
  4. For ideal reception and performance, install the receiver at least 1 meter (3 feet) above the ground and away from EMI / RFI “noise" sources.

    5. Diagram illustrates optimal placement of receivers in a room, showing height from ground and distance from walls/sources of interference.

  5. Install and fasten two 1/2RU single-channel or dual-channel receivers side-by-side into a 1RU receiver:
    • (A) Remove top & bottom screws.
    • (B) Install top & bottom connecting plates to secure both receivers.
    • (C) Install and fasten with receiver rackmount kit.

    Diagrams (A), (B), (C) illustrate the process of combining two 1/2RU receivers into a 1RU rack space using connecting plates.

III. Receiver Operating Instructions

  1. Prior to powering on the receiver, ensure all transmitters are turned off and the mixer's volume control is set to a minimized setting. Press Power button (4) to power on. OLED screen (2) will be lit.

    2. Image shows a MIPRO ACT-2402 receiver with power button and control knob highlighted.

  2. Receiver Home Screen status once powered on.

    3. Dual-Channel Home Screen displays: CH I (e.g., 08, ID-64, 95%), CH II (e.g., 01, ID-64, TXOFF). Single-Channel Home Screen displays: CH (e.g., 08, 0dB, ID-64, 25%).

  3. The microphone volume should first be set with correct gain level.
  4. Press Channel Selector (5) for channel 1 or 2 setting. Applicable channel will be lit once pressed and channel arrow shown.
  5. Once the transmitter is powered on, the battery indicator on the receiver display will be lit.
  6. The microphone volume should first be set with correct gain level by the Rotary Knob (3) in the audio output intensity of the function option. Then adjust for ideal volume of mixer or amplifier.
  7. Ensure mixer or amplifier's volume control is set to a minimized setting. Once an audio signal is received from the transmitter, the AF (audio) meter level glows based on signal strength.
  8. No sound output from the amplifier or transmitter status indicates system operation or is not normal and must be adjusted or inspected.
  9. Transmitter Battery Meter (receiver display):

    10. Screen display shows battery meter in percentage (e.g., 10%) and TxOFF status.

    • (A) The battery meter displays in percentage in receiver illuminates when transmitter is powered on. Recharge the transmitter battery (or replace with a charged battery pack) immediately when battery indicators fall to 10% showing.
    • (B) TxOFF is shown when transmitter is powered off.

V. Receiver Home Screen

Displays Receiver and Transmitter Status:

Dual-Channel Screen Indicators:

Layout showing CH I and CH II with numbered indicators:

Single-Channel Screen Indicators:

Layout showing CH with numbered indicators (similar to Dual-Channel but for a single channel).

VI. Parameter Control Knob

1. Setting Parameters:

2. Receiver Parameters:

Flowchart showing navigation: Activate parameter setup -> Select status bar -> Adjust value -> Exit & Save.

3. Setting Channel & ID:

Screen displays showing Channel&ID settings, AudioGain, LowCut, RFPower, ChannelScan, SetLock, Version?, Exit&Save options.

4. Setting Audio Gain:

Screen displays showing Channel&ID, AudioGain (-10dB to +20dB), LowCut, RFPower, ChannelScan, SetLock, Version?, Exit&Save options.

5. Setting Low Cut Filter:

Screen displays showing Channel&ID, AudioGain, LowCut (ON/OFF), RFPower, ChannelScan, SetLock, Version?, Exit&Save options.

6. Setting RF Power:

Screen displays showing Channel&ID, LowCut, RFPower (High/Low), ChannelScan, SetLock, Version?, Exit&Save options. Also shows examples of High Power and Low Power displays.

7. Setting Channel Scan:

Screen displays showing Channel&ID, LowCut, RFPower, ChannelScan, SetLock, Version?, Exit&Save options. Also shows RF signal strength indicators and channel selection.

8. Setting Parameter Lock:

Screen displays showing Channel&ID, RFPower, ChannelScan, SetLock (YES/NO), Version?, Exit&Save options. Also shows Locked (YES) and Not Locked (NO) status icons.

9. Version? status:

Screen displays showing Channel&ID, ChannelScan, SetLock, Version?, Exit&Save options. Also shows a screen indicating "Ver.1.0.0 Close".

10. Transmitter Mute Icon:

Side-by-side comparison of "Not Muted" and "Mute" screen displays, showing channel and ID information. When muted, AF level is 0.

When ACT-240T / ACT-24T / ACT-24TC transmitters setup MUTE, the AF level is 0.

11. Setting Transmitter ACT Synchronization (sync):

Diagram shows the ACT sync button on the receiver, the transmitter's IR port, and the required alignment and distance (<30cm / 12 in.). Also shows "ACT..." indicator and "FAIL" indicator.

VII. Cautions

  1. Position the MIPRO receiver at least 5-meter away from 2.4 GHz Wi-Fi or other 2.4 GHz transmitting devices.
  2. A clear, line-of-sight provides the optimal reception range between the transmitting antenna and receiver.
  3. Power supply voltage should not be less than 12V DC and not higher than 15V DC. Deficient current causes operating voltage instability or malfunction and exceeding current causes shorter the product life cycle and possible short or damaging circuits.
  4. User can scan environment for Wi-Fi devices with smartphone app, normally Wi-Fi channel selections are 1, 6, 11.
    • (A) When there is Wi-Fi channel selection 1, receiver channels can be set at 01 and 10 for non-interfering channels. Or select a lesser interference channels like 02, 03, 04, 05, 06, 07, 08, 09.
    • (B) When there is Wi-Fi channel selection 6, receiver channels can be set at 01 and 11 for non-interfering channels. Or select a lesser interference channels like 02, 03, 04, 05, 06, 07.
    • (C) When there is Wi-Fi channel selection 11, receiver channels can be set at 01 and 10 for non-interfering channels. Or select a lesser interference channels like 02, 03, 04, 05, 06, 07, 08, 09.
  5. Wi-Fi Channel Distribution:

    6. Graph showing Wi-Fi Band frequencies from 2402 MHz to 2482 MHz, with 14 channels indicated.

VIII. Notes

  1. Design and specifications are subject to change without prior notice. Refer to actual product in the event of product discrepancy.
  2. Frequency range and maximum deviation comply with the regulations of different countries.

Contact Information

MIPRO Electronics Co., Ltd

Headquarters: No. 814, Beigang Rd., Chiayi City 600079, Taiwan

Tel: +886.5.238.0809

Fax: +886.5.238.0803

Website: www.mipro.com.tw

Email: mipro@mipro.com.tw

Certifications: CE, FC

Models: ACT-2401 Single Channel 2.4 GHz Receiver, ACT-2401, Single Channel 2.4 GHz Receiver, Channel 2.4 GHz Receiver, GHz Receiver, Receiver

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