MIPRO ACT-51
Contents
1. RECEIVER VFD INTERFACE Displays all Parameters Preset Channels can be programmed Audio Signal Meter 6 Diversity A B Antenna 4 Working Frequency RF Signal Meter Q Interference Indicator lit denotes presence of interference Q Working Channel 8 Transmitter Battery Meter Squelch Meter levels can be programmed Group can be programmed Display Panel and Buttons 10 Receiver Parameters MENU button To set receiver parameter values 3 parameters can be selected and programmed by the menu button See instructions below GROUP setting Blinking GRP cursor Press Once Press once to decrease Press once to increase by one group by one group Instructions i Press and release the menu button once The GRP cursor starts blinking to denote it is ready to accept parameter changes During blinking press C _ or _ _ button to one of the 6 groups Press and release the menu button once to confirm the change The GRP cursor stops blinking and the new group is now stored into memory To exit GRP mode i 11 GRP mode deactivates automatically if C 7_ or _ _ button is not pressed within 5 seconds The VFD panel dims automatically too CHANNEL setting Blinking RF cursor Press Once Press once to decrease Press once to increase by one channel by one channel To Set Channel via AutoScan 1 Press and release the menu button once The2. 6dB selection is for half of cable microphone volume Unbalanced Audio Output Jack 6 3mm 1 4 PHONE PLUG type connector provides unbalanced audio output signal from this jack to the mixer Output level is selectable from among 3 levels 6dB OdB and 10dB 9 Balanced and Unbalanced Output Switch Switch to MIXED mode audio from both channels will be mixed out from BALANCED OUTPUT B and UNBALANCED OUTPUT B Switching to SEPARATE mode available in ACT 52B only and each channel has individual output DC Input Jack For 12 volt DC supply Rear Antenna A Input Connector The A antenna can be installed directly to this antenna connector which also provides power to an optional antenna booster Rack Mount Brackets To install the receiver into a standard 19 inch rack case Auto Power On Off Switch ON position The receiver turns on automatically when plugged in during ON position OFF position The receiver needs to be powered on amp off manually by pressing and holding the Power On Off Button during OFF position Note Default OFF position GND Connector For grounding protection and stabilization RECEIVER INSTALLATION GND HOT conb O Figure 2 e Electrical Guitar Output Using audio output cable attached with PHONE PLUG type plug one end from the balanced output jack of a
3. 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 CAUTION RISK OF ELECTRIC SHOCK DO NOT OPEN A This symbol indicates that dangerous voltage constituting a risk of electric shock is present within this unit This symbol indicates that there are important operating and maintenance instructions in the literature accompanying this unit FE amp IC ID THIS DEVICE COMPLIES WITH PART15 OF THE FCC RULES AND RSS 123 ISSUE2 OF CANADA OPERATION IS SUBJECT TO THE FOLLOWING TWO CONDITIONS 1 This device may not cause interference 2 This device must accept any interference including interference that may cause undesired operation of the device This equipment complies with FCC RF radiation exposure limits set forth for an uncontrolled environment 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 2005 08 13 ES cod By doing so you contribute to the conservation
4. RF meter cursor starts blinking to denote it is ready to accept parameter changes 2 During blinking press and release the C _ or _ _ button once will AutoScan and stop at one of 8 preset interference free channels 3 Press and release the menu button once to confirm the change The RF meter cursor stops blinking and the new channel is now stored into memory During blinking RF cursor Press W or A button to start AutoScan Press once and release To exit AutoScan mode 1 AutoScan mode deactivates automatically if C _ or _ button is not pressed within 5 seconds The VFD panel dims automatically too 12 To Set Channel Manually 1 Press and release the menu button once The RF meter cursor starts blinking to denote it is ready to accept parameter changes 2 During blinking press and hold the C _ or _ _ button Pressing theC _Jor _ _ button will decrease or increase the channel setting by one 3 Press and release the MENU button once to confirm the change The RF meter cursor stops blinking and the new channel is now stored into memory During blinking RF cursor Press and hold W or A button for manual channel Press and hold To exit Manual mode Manual model deactivates automatically if C _ or _ button is not pressed within 5 seconds The VFD panel dims automatically too 13 SQUELCH setting Blinking SQ cursor Press once to increase by one level Press on
5. ce to decrease by one level Press Once Instructions il Press and release the menu button once The SQ cursor starts blinking to denote it is ready to accept parameter changes During blinking pressC _Jor _ _ button to decrease or increase sensitivity level by 1 indicator Press and release the menu button once to confirm the change The SQ cursor stops blinking and the new squelch level is now stored into memory NOTE The higher the level indicators the lower the sensitivity which shortens the transmission ranges The lower the level indicators the higher the sensitivity which increases the transmission ranges To exit SQ mode 1 SQ mode deactivates automatically if Cv _ or amp button is not pressed within 5 seconds The VFD panel dims automatically too 14 SETTING ACT TRANSMITTER FREQUENCY To Activate Press and release act button on the receiver to activate the ACT mode Once activated the RF meter cursor and working frequency on the receiver start blinking Blinking will stop when IR signal is received by the handheld or boydpack transmitter or no IR signal is received within 5 seconds To Cancel During blinking press and release the _Act button again on the receiver to cancel During blinking do not press any button Blinking stops and cancels automatically after 10 seconds if no button is pressed Instructions 1 15 Ensure a receiver channel is s
6. ch level and indication of interference at a glance The diversity technology ensures optimal reception and freedom of movement while the industry s first AutoScan amp Automatic Channel Targeting ACT channel set up technology and dual squelch PiloTone amp NoiseLock circuits minimize interference Receiver Accessories Included User Guide x1 Antenna x2 Audio Output Cable x1 2 pcs for dual channel model RS Rack mount kit x1 set Rack Mount Ears x2 Plugs x2 Mounting Screws for single 1 2RU receiver alone Z Switching Power Supply with Cable x1 KEY FEATURES MIPRO S PROPRIETARY ACT FUNCTION amp OPERATION What is ACT ACT stands for Automatic Channel Targeting MIPRO developed and patented this innovative infrared IR technology in 2001 MIPRO was the first manufacturer in the e Single Channel ACT 51 ACT 51B and Dual Channel ACT 52 ACT 52B in an EIA standard 19 Y2 rack unit metal chassis e Featuring industry s first full color VFD Vacuum Florescent Display on a wireless receiver Two levels of brightness adjust automatically during performance and can be viewed clearly from all angles and day night environments for easy monitoring Diversity technology for optimum reception Programmable multi function VFD displays all information on the same screen for easy control and monitoring Fully electronic push buttons for quick set up and control Proprietary high per
7. e point where they exit from the apparatus Only use attachments accessories specified by the manufacturer 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 Unplug this apparatus during lightning storms or when unused for long periods of time 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 To reduce the risk of fire or electric shock do not expose this apparatus to rain or moisture Apparatus should not be exposed to dripping or splashing and no objects filled with liquids should be placed on the apparatus Use only with the battery which specified by manufacturer The power supply cord set is to be the main disconnected device 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
8. et up and transmitter batteries are fresh installed correctly and powered on Press the _act button on the receiver to activate the ACT function Once activated the RF meter cursor and working frequency start blinking Bring ACT handheld or bodypack transmitter within 30cm 12 of the IR port on the receiver The IR port is located between the _act_Jand _Jbuttons and indicated by a round shaped red color spot The frequency will sync automatically When the frequencies are synchronized successfully the RF meter cursor and working frequency stop blinking and the indicators in the RF meter are lit Bo E ut TNE EE BAT Transmitter Battery Meter display in receiver BAT BAT BAT BAT BAT 100 90 80 40 10 0 ow Sl Battery Status The battery meter is lit when the transmitter is powered on The battery meter gives a percentage indication of remaining battery life as shown above Replace with new fresh batteries when battery indicators fall to 10 1 indicator remaining The BAT cursor starts blinking when transmitter is powered on and signal is received After 3 5 seconds the cursor will stop blinking and accurate battery level will be displayed AUTO POWER ON OFF SWITCH OFF Position ePower On Receiver Press and hold POWER button for 1 2 seconds The panel will be turned on factory default position OFF ePower Off Receiver Press and hold POWER button for 1 2 seconds The panel will be tu
9. formance RF filter and circuitry improve anti interference characteristics and increased compatible systems Industry s first ACT function allows rapid and precise transmitter frequency set up Dual Pilotone amp NoiseLock circuits minimize interferences Connects to various MIPRO antenna systems Reliable RF transparent audio performance and an array of leading edge features desired by audio professionals for a host of diverse applications industry to automatically synchronize the frequency selected on the receiver to any ACT handheld or bodypack transmitter on the same frequency band ACT Benefits No manual frequency adjusting needed unlike traditional transmitters Simple fast and precise frequency set up without mechanical errors Once the frequency has been set the data is stored in memory meaning that the frequency is set until it is changed by performing the ACT function again even after powering off ACT Set Up Ensure a receiver channel is set up and transmitter batteries are fresh installed correctly and powered on Press the _Act button on the receiver to activate the ACT syncing function Once activated the RF meter cursor and working frequency start blinking Bring ACT handheld or bodypack transmitter within 30cm 12 of the IR port on the receiver The IR port is located between the _act Jand _ _ buttons and indicated by a round shaped red color spot The frequency will sync automatically When the
10. frequencies are synchronized successfully between the receiver and transmitter the RF meter cursor and working frequency stop blinking and the indicators in the RF meter are lit Mi mg at AFGRPR 120340 5 G7 Bs erso 5 PART NAMES AND FUNCTIONS Front Panel ACT 51B ACT 51 MiPRO ACT 51B ACT 52B ACT 52 Cc O Antenna A Front Mount Allows an optional FBC 71 rear to front antenna cable for front antenna placement Receiver Display Color VFD Power On Off Button Press and hold button to power on and power off Antenna B Front Mount Allows an optional FBC 71 rear to front antenna cable for front antenna placement Rear Panel ACT 51B ACT 51 p O ACT 52B ACT 52 p O p OB q E S 00000 0000 Rear Antenna B Input Connector The B antenna can be installed directly to this antenna connector which also provides power to an optional antenna booster Balanced Audio Output Jack XLR type connector provides balanced audio output signal from this jack to the mixer and output level selectable from among 3 levels 6dB OdB and 16dB Level Switch 0dB selection is for Microphone level output 10dB selection is for AUX level output
11. he configuration of the 3 pin connector is as shown in Figure 2 Figure 1 e Antenna dividers and receivers must be from the same frequency band RACKMOUNT INSTALLATION FOR RECEIVERS Single half rack receiver Install provided rack mount kit and fasten with screws on both sides Figure 3 Figure 3 Dual half rack receivers Unfasten the top and bottom screws for each receiver Push the receivers next to each other Place holding plates on top and bottom of the two receivers first and following the directions slide both plates into position over the screw holes Then tighten screws screws should be used in their original location i e top screws for top holding plate and bottom screws for bottom holding plate After both receivers are fixed together fasten the rack mount kit on both sides of the joined receivers as shown in Figure 4 Receiver Rack Mount Kits FB 71 FB 72 Ly E A Mounts 1 half rack in Mounts 2 half racks in 2 a single rack space a single rack space The rack mountable kits are pre drilled with 4 opening holes to be fitted on an EIA standard 19 inch rack case Figure 5 Figure 5 For ideal reception and performance install the receiver at least 1 meter 3 feet above the ground and away from EMI RFI noise sources In addition place the transmitter microphone at least 1 meter 3 feet away from the receiving antenna as shown Figure 6 Ground Figure 6
12. io meter level glows based on signal strength If the meter position as it may have generated insufficient level There are lots of amplifiers or indicator does not glow or there is no audio output the system may not be set for Karaoke machine in today s market however gain of amplifiers MIC IN is up properly Re check that the transmitter is turned on and the receiver and ai unified Therefore if BistOrrion is encountered please switch the Level transmitter are on the same frequency if not the transmitter will need to be reset Switch to 6dB position via the ACT function e Unbalanced Output Using audio output cable attached with PHONE PLUG e The microphone output level needs to be adjusted at the amplifier or mixer There type connect one end from the unbalanced output jack of the receiver is no need to adjust output levels at the receiver itself and the other end to the LINE IN input jack of the amplifier as shown in e The antenna inputs provide 8 volt DC biased and are designed to work with MIPRO antenna boosters If the connecting cable is longer than 10 meters approx 30 it e Balanced Output Using audio output cables with XLR or Cannon type is advisable to install an antenna booster to ensure optimal reception connectors connect one end to the balanced output jacks of the receiver and the other end to the MIC IN input jack of the mixer or amplifier as shown in Figure 1 T
13. m wW MIPRO Electronics Co Ltd Headquarters 814 Pei Kang Road Chiayi 60096 Taiwan Tel 886 5 238 0809 Fax 886 5 238 0803 MICROPHONE PROFESSIONALS www mipro com tw mipro mipro com tw CE oust IMI All rights reserved Do not copy or forward without prior approvals MIPRO Specifications and design subject to change without notice MN 014 01 CE380B aA MIPRO User Guide ACT 51B ACT 52B ACT 51 ACT 52 WIRELESS MICROPHONE SYSTEMS MIPRO ACT S1B UHF DIVERSITY RECEIVER S Oy UT Rd 10 11 12 13 14 15 16 17 18 IMPORTANT SAFETY INSTRUCTIONS Read these instructions Keep these instructions Heed all warnings Follow all instructions Do not use this apparatus near water Clean only with a dry cloth Do not block any ventilation openings Install in accordance with the manufacturer s instructions Do not install near any heat sources such as radiators heat registers stoves or other apparatus including amplifiers that produce heat 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 Protect the power cord from being walked on or pinched particularly at plug convenience receptacles and th
14. of our environment DIVERSITY RECEIVERS PRODUCT OVERVIEW ss2ecs sce tesees oe ose Bee ee eee ees 1 KEY FEATURES 0000202c2ccc cece ccceec cece cece cece e ee ee eee eee eee e cee eeeeees ee teeereesees 2 MIPRO S PROPRIETARY ACT FUNCTION amp OPERATION 20200c0000eeeeetecceeeeeeesesees 3 PART NAMES AND FUNCTIONS 200222202 0000s eeeee settee e eee e sete e teeta ete ee seer eee 4 RECEIVER INSTALLATION 000002220c00 ce eeccetee eee eeeee cece ee ee eee e teens eee ese eeeees 6 RECEIVER OPERATING TIPS 22222 00000 22cceece cee teetee eset tees ee sete eeteeeseteeseeeeees 7 RACKMOUNT INSTALLATION FOR RECEIVERS 000000000000 eeeccceeeeeeeeeccseeeeeeeessse eens 8 RECEIVER VFD INTERFACE seessceceececesetdecpec seisiceteep es ageecaae se mendedececuessesatedd 10 RECEIVER PARAMETERS 002200000000 ccccecc eee eeeee cee eeeee cee eeeeeeee ee eeeseesees 11 GENERAL TIPS FOR IMPROVING SYSTEM PERFORMANCE 0222222200005 5222220005 17 PRODUCT OVERVIEW The receivers feature a full color Vacuum Fluorescent Display VFD which delivers a very bright light with exceptionally clear contrast The VFD has a wide viewing angle and can be viewed clearly in both indoor and outdoor environments The panel displays all pertinent parameters on the same screen audio professionals can clearly monitor group channel working frequency RF amp audio signal strength diversity condition transmitter battery level squel
15. orting on the antenna socket should be avoided Temporary shorting on the antenna socket will not affect system performance however continuous shorting on the antenna socket will cause permanent system damage 5 If extended reception distance is needed installing a MIPRO AT 90 directional antenna kit which includes internal boosters will increase the reception distance 6 Proper antenna distribution is vital to achieving ideal performance from multiple wireless systems operating in the same environment To greatly reduce antenna clutter in multi system installations a MIPRO AD 707 UHF antenna divider system is recommended Each AD 707 supports up to four UHF diversity receivers to operate from a single pair of antennas When combined with an AT 70A omni directional extension antenna and an AT 70B antenna booster or an AT 90 directional antenna the AD 707 antenna divider provides optimal signal reception with minimal dropouts or interference 7 MIPRO s factory preset Interference free channels within the same channel group are recommended to ensure optimum performance from multiple wireless systems installed in the same venue Use of preset Interference free channels from different channel groups may cause interference thus is not recommended 17
16. receiver and the other end to the input jack of a guitar amplifier Switch the Level Switch Figure 1 to 10dB position 1 Antenna Installation Install 2 separate antennas on the antenna sockets on the rear panel Illustrated in Figure 1 2 Connecting the power supply Connect the AC DC adapter cable to the 12V DC Input Jack illustrated in Figure 1 Next plug the adapter unit into an appropriate AC outlet with caution to the correct voltage and rating as shown in Figure 1 3 Audio Output Connection e Level Switch Setting Position When connecting from receiver s balanced output to the LINE IN jack of a mixer or amplifier or Electric RECEIVER OPERATING TIPS Guitar switch the Level Switch to 10dB position Low sensitivity may e Prior to powering on the receiver ensure all transmitters are turned off and the occur if switch to the wrong level position When connecting from receiver s mixer s volume control is set to a minimized setting Berets output to thie ie el jack of a mixer or amplifier one the Level e Normally the RF meter level glows when a transmitter is powered on to indicate Switch tO DUB PSILON OVEN eae AStonion MAY GEGUN if switch to the the receiver is ready for operation Once an audio signal is received from the wrong evel position When using electric guitar don t use 0dB or 6dB 7 transmitter the AF aud
17. rned off NOTE The receiver panel will dim automatically if no signals are received or any button is pressed within 5 seconds after powered on eLit Panel Continuously After powered on press the POWER button twice within 1 second will force the panel to be lit continuously eCancel Lit Panel Continuously Press the POWER button twice within 1 second again will cancel it ON Position ePower On Receiver The receiver turns on automatically when plugged in during ON position ePower Off Receiver Press and hold POWER button for 1 2 seconds The panel will be turned off NOTE The receiver panel will dim automatically if no signals are received or any button is pressed within 5 seconds after powered on 16 GENERAL TIPS FOR IMPROVING SYSTEM PERFORMANCE 1 Since the installation of the antenna influences the operating efficiency of the receiver the most important rule is to minimize the distance and maintain a line of sight between the receiving antenna and the transmitter for optimal reception and performance 2 Use MIPRO supplied antennas to ensure proper receiver sensitivity The external DC power supply should not fall under 12V otherwise it would not work properly If it is over 15V some components of the receiver will be damaged 3 A built in worldwide approved switching power supply assures stable performance in the range of 100 240V AC power input 4 The antenna socket provides an 8V DC biased output Therefore sh
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