User`s Manual - LY International
Contents
1. Public Address System O Multi function Player PM8712 PM8735 PM8745 LY INTERNATIONAL ELECTRONICS re VAA General Player PM8712 MAIN 2 4 6 8 10 sie a TONE I Oo 0 TREBLE MP3 TUNER at 8 8 User s Manual Thank you for using our Public Address System Please carefully read this manual first for better use LY International Electronics Co Ltd http www lyintlcorp com Fire Protection Public Address System Multi function Player Contents hub FEIN 2 EEE EE EEE 2 POEET ERE EE EEE ERR ER EEE eee 3 Kear p EE EEE EEE en ee a E 4 MTP 5 Operation Instructions Operation and Status Interface rrrrrnrrrnnnrrrnnornnnrrrrnnernnnnernnnnrrnnenr 7 PECI ON ER sheet T NE ire naa eleanor ee mad nee enna Pore hes Sete Recta 12 L Sen Fear 12 2 After sales Service Precaution rrnnnnrrnrononnnannrnnrenernvnnnnnnnnnnrrrnnnsrnnnnnennnnnernnnnssene 12 6 LOTS LE 0 EEE Re SE eee 13 EN 0 0151 010 ENE EE NN ee ae rer nee een er mee eee 14 Application of File Format of USB Disk oanccesssicascwhsteenetelarssdoctsetonsctieionndeaetelawemiutedses eee taaaiess 14 List of Built in Programs in USB DISK rrrrnnrrnrrnnerrrvrnnerrrvrrnnrrnnrrnnersrnrnnernrnrrnsnrrnsrnnessrnsnnensenne 14 1 PM8735 Fire Protection Public Address System Multi function Player Installation Precautions Do not cover the vents 1 3 Do not use the system in case of damage to the power cord The power socket sh2. TRANS Caution Never connect two HOT terminals together PL J100V 22V 37V 42V COM COM COM r 020126 Connection diagram of 100V MATCHING MATCHING TRANS TRANS HM PL 10V 100V Connection diagram of 70V MATCHING MATCHING TRANS TRANS PI 70V 100V 30150150 COM COM COM KAR OIC COM COM COM PA Lid 30 nt Bot 6 PM8735 Fire Protection Public Address System Multi function Player Operation Instructions Operation and Status Interface 1 The interface as shown in Fig 1 which is accessed after the system is turned on is called the main interface in the following text e Sat 08 35 00 Source Built in Audio Current time Tue 08 00 loff 2off 30ff 40n Son 6 off Fig 1 Main interface The main interface contains gt Sat 08 35 00 indicates the weekday and time of the next time schedule gt Source Built in Audio indicates the audio source of program played currently by the system gt Current time indicates the current date and time of the system gt Power supply indicates the on off status of current timer power supply and program control status gt 1 off 2 off indicates the on off status of current zone The following operation can be performed under the main interface gt Turning on off the timer power supply Press the lt or p gt key to highlight the Off box following the Power and press the
3. Fig 2 Operation of Setup interface Press the lt q or P gt to highlight the desired option and press the Ok key to access the Setup interface Press the Exit key or the MAIN key to return to the main interface MP3 player mode Press the EXT MP3 for external audio source or INNER MP3 for internal audio source in any menu operation interface to access the operation interface of MP3 player mode as shown in Fig 3 EXT MP3 mode Play all INNER MP3 mode Play all Directory o8 Tack for 03 17 04 35 Director op Track 04 10 05 20 b A thousand dreams of you Song of herding sheep Fig 3 MP3 player interface The following operation can be performed under this interface QU Q Press the or W to select the previous or next track Press the lt Q or B to highlight any of Repeat Select directory and Select track press the Ok key and press the or W key for adjustment After adjustment press the Ok key Press the P key to play an MP3 track or make a pause Press the MAIN key to return to the main interface Radio mode Press the Radio key in any menu operation interface to access the AM FM tuner operation interface as shown in Fig 4 AM FM tuner Yanl Band FM p gt Station 19 ig 4 100 45MHz Fig 4 Operation interface of AM FM tuner The following op
4. in radio mode 5 LED output level indicators The 5 LED indicators indicate the size of output levels from the power amplifier If the 5 indicator is turned on overload exists and corresponding adjustment should be performed Turn the volume knob to flash the 4 and 5 indicators 4 11 12 1314 15 16 17 18 19 Ceneral Plater PM8712 AUX3 MIC3 FAS AUX2 MIC2 5 a AUX1 MIC1 4 6 36 MIC1 IN 5 6 7 20 21 22 23 9 USB interface The USB interface is used as program source interface for MP3 player and supports storage devices such as common USB disks and mobile HDDs 10 LCD The LCD shows the status of function operation 11 Selection key shown on main interface Press the selection key under any menu and the main interface as shown below will appear D Sat 08 35 00 Source Built in Audio Current time Tue 08 00 Power supply if Setup loff 2off 30ff 4o0n Son 6off 12 Move key for option operation Press this key to move the cursor leftwards to the desired option for selection 13 Ok key Press this key to confirm the current operation or access the menu of lower level Also press the key under the main interface to manually turn on off the timer power or operate the program control 14 Number increase or adjustment key Press this key to increase the number for operation concerning number adjustment e g press the key to increase the frequency in radio mode to select the n
5. llight music j zbells 202 SAL TOU SAY ME APS 203 RIGHT HERE WAITING Fs a 04 careless whisper mp 205 BECAUSE I LOVE YOU MPS 2 08 WHEN I FALL IN LOVE MPS a 0T MT HEART WILL GO OM MPS 2 08 ALL OUT OF LOVE AIR SUPPLY APS 11 SEALED WITH KISS MES fa 12 SHA LA LA MP3 fa 13 THAT S WHY YOU GO AWAY MES 14 THE SOUND OF SILENCE MP3 15 TOP OF THE WORLD MP3 2 15 WHEH A MAN LOVE A WOMAN MP3 2 17 GRACE mp3 18 All this timer mp3 19 Hero mp 20 ELEVATION mp3 21 HEY LADIES mp3 2 08 NOTHING 5 GONNA CHANGE MY LOVE FOR YOU MP3 2 22 Feel The Spirit mp a 10 SCARBOROUGH FAIR MPG 2 23 1 Need You mp3 15 24 I TRY mp 29 now you know me MPS 26 Tell me why mp3 27 IDIOTEQUE mp 28 KITE mp3 29 My Love mp 30 STAY mp 31 I GOT MY BABY mp3 32 BILLS BILLS BILLS mp3 33 IT HILL BE ME mp3 34 CONFESSIONS mp3 PM8735 Fire Protection Public Address System Multi function Player 01 Amenity and gym 401 Lullaby mp3 05 Liang Zhu mp 09 Blue Danube mp3 2 02 Bon voyage mpa 2 OG Destiny mp 10 Song 11 spring mp US Rondo mpi UT Swan Lake mp 1 04 Serenade mp 08 Dedi cate to Alice mpd 02 Chime and ring 2 01 Prepare sound mp 06 Electronic sound mp 11 Bell of the church mp 02 Bell for class mp OT The electric belli mp3 2 12 March of Athlet
6. of each weekday and 7 weekdays of schedules are storable for each plan After one plan is selected all edition and change of a time schedule are automatically saved in the schedule Any one of the plans edited can be called for use Note Before editing a time schedule the schedule plan should be selected first Changing program in built in USB disk The built in USB disk is mounted on the small iron plate on the rear panel To change the program in it remove the screws on the iron plate with a screw driver remove the iron plate and the USB disk will be exposed After changing the program in the USB disk reinstall the disk and mount the iron plate To prevent unauthorized removal of USB disk seal the iron plate on the rear panel securely Make sure that a program exists in the root directory of the USB disk and the MP3 program should be stored under the root directory Use of microphone Please turn down the microphone volume before plugging the microphone plug The microphone jack supports a 6 35 mm microphone plug The volume can be adjusted by the volume knob and should not be turned too high The MIC1 has the override function which enables the microphone to have the highest priority and suitable for forced paging in case of emergency External audio source To use an external audio source connect the external source at the AUX1 AUX2 or AUX3 interface on the rear panel The AUX1 channel has the highest priority which is recomme
7. the preceding box in the 07 00 and set the track in the succeeding box If no directory exists in the memory the preceding box can be set to 00 When a program of built in MP3 is set the program currently played that is stored in the external MP3 player will be stopped After setting exit from the Setup interface and press the EXT MP3 key to access the play interface of external MP3 player and restart playing Repeat mode This option is used to set the play mode of the 3 tracks Three options are available 1 e Repeat Off and Normal Press the lt q or P gt key in the Radio timer setup interface to highlight the setting option press the A or Y to adjust the option and press the Ok key to confirm the setting As shown in Fig 8 the options to be 99 set include the band and channel Tuner timer setting Fig 8 Radio timer setting interface Band selection This option is used to select the AM or FM band of tuner for a time schedule Channel selection This option is used to select a stored channel of tuner Time setting This option is used to adjust the system time that is the base of a time schedule executed As shown in Fig 9 select the Set time option in the Operation setup interface press the lt Q or P key to highlight the desired option press the or W to adjust and press the Ok key to finish
8. 100V fixed voltage output AUX OUT 0dBV MIC 600Q 2 5mV 0 5mV Input AUX 10kQ 250mV 450mV unbalanced EE AE Harmonic distortion 0 5 1kHz 1 3 rated power MIC gt 70dB S N ratio AUX gt 80dB Bass 10dB 100Hz Tone adjustment Treble 10dB 10kHz Protection AG fuse DC output protection and overload protection Mute function MCI and AUX inputs can override other inputs Power supply Outer Packing Size mm L x Wx H 520x500x235 Unit Size mm L x Wx H 430x400x132 Specifications are subject to change without further notice 13 PM8735 Fire Protection Public Address System Multi function Player Appendix Application of File Format of USB Disk 1 This system supports a USB disk mobile HDD or USB card reader hereinafter collectively referred to as the USB storage utilizing a general USB interface The maximum bit rate of an MP3 file is 320kbps Audio files in non MP3 format cannot be played In case that a track cannot be played check whether it is as specified Supports FAT12 FAT16 and FAT32 file system 2 To improve the operation speed and optimize management it 1s recommended that the USB disk or mobile HDD used only store MP3 files other than files in other format so as to facilitate the access of files and schedule programming 3 Up to 99 primary directories can be created in the root directory in each of which up to 99 tracks can be stored Also up to 99 tracks can be stored in the root direc
9. Ok key as shown below to turn on or off the timer power In this case the Ok key is the manual switch of timer power lt gt Ok key NZ gt Manual control operation of program control status Press the lt or P gt key to highlight the Program control start or Program control end box following the Power and press the Ok key as shown above to start or end program control status In this case the Ok key is the manual switch of program control status Note If the program control status is set to Program control end the set time schedule will not be executed Therefore to execute the time schedule the program control status should be set to Program control start gt Accessing to Setup status Press the lt or P gt key to highlight the Setup box following the Power and press the Ok key as shown above to access the Operation setup interface as shown in Fig 2 gt Manually turning on off a zone Manual turn on or off a zone by using the zone on off key accordingly right below the 1 off 2 of f display 7 PM8735 Fire Protection Public Address System Multi function Player 2 3 Operation of Setup interface A time schedule and system time can be set or a time schedule can be copied in the Operation setup interface as shown in Fig 2 Operation setup Timer setting Time setting Copy schedule
10. all be compatible with the power plug Do not use the power amplifier in a poorly ventilated dusty or wet place nor expose it to direct sunlight Always keep away from heat source Never apply vibration to the power amplifier Features Public address system with built in MP3 player radio timer zone controller and pager Runs programs by control of timer and has graphic interface with multi level menus Built in MP3 player and tuner FM AM tuner with up to storable 40 radio stations Selectable internal 1GB memory and external USB disk for MP3 player With double USB interfaces supports MP3 files stored in a common USB disk MP3 player mobile HDD card reader etc 3 channels of LINE IN 3 channels of MIC IN and 1 channel of LINE OUT Mute function available for MIC 1 and LINE 1 facilitates playing by priority Uniform treble and bass control for all channels and independent volume control for individual channel Timer controlled program for one week operation up to 100 time schedules programmable for each day and time schedules and programs that will not be lost in case of power failure Two sets of timing plan each of which can be edited for 7 days and up to 100 time schedules for each day 1 channel of AC220V timer controlled output power socket and one short output interface controlled by timer control Timer controlled built in MP3 or tuner programs can be played according to time schedules that are cycled by we
11. d personnel in case of failure so as to avoid an accident or further damage Never place any corrosive on or near the console After sales Service Precautions We will provide a one year charge free warranty including replacement of parts from the date when you purchase provided that the product is installed and operated as specified The user should show the warranty card copy kept by the user and the sales invoice for repair The warranty is invalid in the cases as follows 1 The product is damaged due to wrong installation operation or handling 2 The product is damaged due to abnormal situations e g excessively high mains voltage or ambient humidity 3 The product is damaged due to disasters and accidents 4 The ID number on the product body 1s changed modified or removed 5 The product is repaired or modified by unauthorized personnel Please store the manual and warrant card well For problems or precautions not referred in this manual please contact our distributor or visit our site at http www lyintlcorp com Please contact our technician or distributor in case of failure within the warranty period We will take no responsibility in case that the product is disassembled or repair by unauthorized personnel 12 PM8735 Fire Protection Public Address System Multi function Player Precautions Less than 3dB from off load to full load cy response egulat Output type P1 output as well as 70V and
12. e mp3 403 Dismiss the bell mp3 08 The electric bell mp3 x 13 Inspect the march mp x 04 Electronic sound mpd 09 The electric bell3 mp3 14 Farewell march mp 2 05 Electronic sound mp 10 Sting sound mp 2 15 Welcome march mp3 03 Army s songs 2 01 Reveille mp n 04 Taps mp 02 BellotTime to eat mp 2 05 Fire control alarm mp3 2 03 sound for a rest mpd 06 Rirdefence warning mp 16 PM8735
13. ed in the built in tuner or the number of program stored in the built in MP3 player Add To edit a time schedule of the day press the Add key to add a blank time schedule and then edit it or press this key to add a time schedule after another Delete Deletes the highlighted time schedule in the time schedule edition interface Delete all Deletes all time schedules of the highlighted day in the time schedule edition interface Return This key is used to return to the Operation options interface Press this key to return after the edition of a time schedule Setting of audio source program of time schedule To set program of time schedule for built in MP3 audio source press the lt A or p gt in the MP3 timer setup interface to highlight the setting option press the or W to adjust the option and press the Ok key to confirm the setting As shown in Fig 7 the option to be set has 3 tracks and repeat modes 9 PM8735 Fire Protection Public Address System Multi function Player Built in MP3 timer setting Please select the directory and number of a track iLos Li2 2Loo Los sfor loil Fig 7 MP3 timer setting interface Select track Select 3 tracks in the built in MP3 program memory to play for a time schedule and select the directory and track independently The setting of the option relates to the audio source selected in the time schedule Set the directory in
14. ek The starting time of a time schedule is accurate to a second Power amplifier P1 output as well as 70V and 100V fixed voltage output 6 zone outputs enable switching on or off 6 zones according to the time schedule of which voltage output is 100V LCD with automatic backlight 5 LED output level indicators Just one device offers all functions of a complete set of public address system 2 PM8735 Fire Protection Public Address System Multi function Player Front Panel 2 4 6 8 10 Oo O OG 9 OUTPUT LEVEL Easy To Care Cozy To Listen On Off switch Turn the switch to the I position to switch on the power or turn the switch to the o position to switch off the power Power indicator The indicator is turned on when the power is turned on and turned off when the power is turned off 6 zone manual switch A zone is controlled by the corresponding key which is touched to turn on or off the zone The on off status is shown on the bottom of LCD Play Pause Radio Mute key This key is used to play or make a pause in MP3 player mode and is used to mute in radio mode External MP3 player mode key Press this key to switch to external MP3 player in any menu interface Built in MP3 player mode key Press this key to switch to built in MP3 player in any menu interface Radio mode and band key Press this key in any menu interface to switch to radio mode and switch between FM and AM bands
15. eration can be performed under this interface QU Q Press the lt d or P gt to move the cursor upward or downwards and call a stored radio station Press the A or W key to tune Press and hold the key for 2 seconds to start automatic tuning and the automatic tuning will be automatically stopped after a station is tuned Press the AM FM key to switch between the AM and FM bands 8 PM8735 Fire Protection Public Address System Multi function Player 4 To store a radio station tuned press the Ok key and the station storage number shown will start flashing Press the lt or P gt key to move the cursor downwards or upwards to store the station to the storage number and press the Ok key In this case the storage number stops flashing and the station tuned is stored Press the P key to mute the radio and press it again to demute the radio 6 Press the MAIN key to return to the main interface Edition of time schedule pn Select the Set time schedule option in the Operation setup interface and press the Ok key to access the Set time schedule interface as shown in Fig 5 Sa No on font Only one audio Source setup source selectable Delete all Fig 5 Timer setting interface The information of a time schedule can be edited in this interface Press the lt Q or gt key to highlight the desired o
16. ext program in MP3 mode or to select one of options under certain status PM8735 Fire Protection Public Address System 15 Move key for option operation Press this key to move the cursor rightwards to the desired option for selection 16 Number reduction or adjustment key Press this key to increase the number for operation concerning number adjustment e g press the key to increase the frequency in radio mode to select the previous program in MP3 mode or to select one of options under certain status 17 Bass knob This knob is used to adjust the bass which is turned clockwise or counterclockwise to increase or reduce the bass 18 Treble knob This knob is used to adjust the treble which is turned clockwise or counterclockwise to increase or reduce the treble 19 MP3 Radio volume knob This knob is used to adjust the volume of MP3 radio When the volume is turned off no sound is output in MP3 Radio mode Multi function Player 20 AUX3 MIC3 IN volume adjustment knob This knob is used to adjust the volume of LINE IN 3 and MIC 3 The signal adjusted is determined by selector switch on the rear panel If the switch 1s turned to the AUX3 position the volume of LINE 3 can be adjusted if the switch is turned to the MIC3 position the volume of MIC 3 can be adjusted 21 AUX2 MIC2 IN volume adjustment knob This knob is used to adjust the volume of LINE IN 2 and MIC 2 The signal adjusted is determined by selecto
17. ignal is input AUX2 IN interface This interface is used to connect to an audio source such as a CD player tuner and cassette AUX3 IN interface This interface is used to connect to an audio source such as a CD player tuner and cassette MIC3 IN interface AUX3 MIC3 IN selector switch The AUX3 and MIC3 use a common input channel If the switch is turned to the AUX position the line signal is input if the switch is turned to the MIC position the microphone signal is input Wiring of Power Amplifier Wiring diagram of zone output Zone I The output voltage of each zone is 100V To connect the zone output refer to the right diagram and note that the HOT and COM terminals are different Speakers connected should be provided with to zones transformer Caution Make sure that the power supply is turned off when wiring Speaker with transformer Zone 6 Speaker with transformer PM8735 Fire Protection Public Address System Multi function Player 2 Wiring diagram of speaker To connect a speaker cut and peel the insulating sheath approx 15mm at the end of the speaker cable connect the cable to the terminal as the right figure Do not place the copper part of a speaker cable behind the screw of cable lug shown and then tighten the cable with a screw Speaker cable Actual connection 3 Wiring diagram of P1 70V and 100V outputs SPEAKERS Connection diagram of P1 MATCHING
18. ket offers an AC220V voltage to other device which is controlled manually or by time schedule Timer power supply fuse In case of fuse blowing please replace the fuse with a new one with the same specifications If this failure still exists please check the circuit for failure AC220V output power fuse In case of fuse blowing please replace the fuse with a new one with the same specifications If this failure still exists please check the circuit for failure AC220V power socket The power socket is used to connect to the mains for power supply of the system AUXI1 MICI IN selector switch The AUX1 and MIC1 use a common input channel If the switch is turned to the AUX position the line signal is input if the switch is turned to the MIC position the microphone signal is input 11 12 13 14 15 16 17 18 Multi function Player If signals from line and microphone are input to one channel at the same time select the selector switch to adjust the volume of one of the signals AUX OUT interface This interface is used to connect to an audio monitor such as a power amplifier AUXI IN interface This interface is used to connect to an audio source such as a CD player tuner and cassette MIC2 IN interface AUX2 MIC2 IN selector switch The AUX2 and MIC2 use a common input channel If the switch is turned to the AUX position the line signal is input if the switch is turned to the MIC position the microphone s
19. nded to be used for emergency signal Since the 3 AUX INs and 3 MIC INs use the same input channel the volume of one AUX IN and MIC IN e g AUXI and MIC1 can be adjusted by one volume knob e g AUX1 MIC1 volume knob Whether the volume of the AUX IN or microphone is adjusted depends on the corresponding selector switch on the rear panel which also determines type of input signal in the channel 11 PM8735 Fire Protection Public Address System Multi function Player Precautions 1 Safety Precautions Disconnect the power plug of the console from the mains before wiring the system Ensure that the input voltage to the console is as specified to avoid a risk of damage to the console Never open the casing of the console to avoid electric shock from inside Always disconnect the power plug from the mains when the console is not used because the console is not disconnected from the mains even when the power switch is turned to the off position Do not leave the console in a too hot or too cold place Keep the console well ventilated to avoid damage to the console due to excessively high temperature Disconnect the power plug if the air is moist or the console is not used for a long period Remove the power plug from the outlet to disconnect the console from the mains before removing or reinstalling any part or disconnecting or reconnecting any plug or cable Do not open the casing for maintenance by yourself or unauthorize
20. ption and press the Ok key Press the A or V key to adjust the number or option After setting a time schedule press the Ok key to confirm setting Required information for a time schedule Sat This option is the weekday of a time schedule ranging from Mon to Sun No This option is the number of a time schedule and the time schedule is arranged according to the numbers of time schedules of one day Power supply This option is used to edit the on off status of the power output socket The output power supply will turn on or off automatically when the time schedule is executed Time The starting time of a time schedule is accurate to a second Zone setup This option is used to set the on off status of a zone when a time schedule is executed The zone will turn on or off automatically when the time schedule 1s executed Only one audio source selectable Select the audio source in a time schedule from TUNER INNER MP3 Stop and The TUNER refers to the built in tuner the INNER MP3 refers to the built in MP3 program the Stop refers that the tuner or MP3 program played currently will be stopped when the time schedule is executed and the refers that the status before the time schedule is executed is maintained Audio source setup This option is used to set the program to be played when a time schedule is executed Select a storage number of a radio station stor
21. r switch on the rear panel If the switch is turned to the AUX2 position the volume of LINE 2 can be adjusted if the switch is turned to the MIC2 position the volume of MIC 2 can be adjusted 22 AUXI1 MICI1 IN volume adjustment knob This knob is used to adjust the volume of LINE IN 1 and MIC 1 The signal adjusted is determined by selector switch on the rear panel If the switch is turned to the AUX1 position the volume of LINE I can be adjusted if the switch is turned to the MIC1 position the volume of MIC 1 can be adjusted 23 MIC 1 interface P zov 100v SP1 SP2 sp SP4 sPs SF gt A COs GA CA BA CAAA ER AY EYI Po EYED SPEAKER OUTPUTS 1 Power amplifier output COM terminal Fixed amplifier output resistance 70V 100V and 6 zone COM terminals 18 17 TUNER ANTENNA GND AM 220ViE JHz 6A 16 1514 13 12 11 10 9 8 2 Power amplifier output HOT terminal For details about the amplifier output HOT terminal refer to the following text PM8735 Fire Protection Public Address System 10 FM antenna Connects an FM antenna AM antenna Connects an AM antenna Please note the ground terminal when connecting Short OUT interface The short OUT interface is used to provide short circuit signal to devices requiring short circuit signal The short circuit signal is controlled by the timer power supply Timer power output socket This soc
22. setting Mon Cancel sae Time setting Fig 9 Time Setting interface Copy schedule This option is used to copy a time schedule of one day to another day Select the Copy schedule option in the Operation setup interface and press the Ok key to access the Copy schedule interface as shown in Fig 10 Set the desired weekday e g Mon highlight the weekday to be copied and press the Ok key When a V appears after the number press the Ok key to finish copying 10 PM8735 Fire Protection Public Address System Multi function Player 10 11 Copy schedule Cop utes of Monday to h isti hedul ill rie ana Fig 10 Copy Schedule interface System setup Select the System setup and press the Ok key in the Operation setup interface as shown below to access the System setup interface Two options 1 e Backlight status and Select timer plan are available in this interface Operation setup System setting A Execute Timer table System Setting interface Backlight status This option can be set to Always or Auto If the Always is set the backlight is always on if the Auto is set the backlight will be automatically off after a certain period of time and can turn on again when any key is pressed or a time schedule is executed Select timer plan The 1 or 2 timer plan is selectable Up to 100 time schedules
23. tory It is not necessary to create a secondary directory in a primary directory otherwise tracks in the secondary directory cannot be read Tracks can be stored in a USB disk by three methods as follows Tracks can be stored in a USB disk by three methods as follows gt Create no directory and store all tracks in the root directory This method facilitates track selection but only 99 tracks can be stored Note To select a track in the root directory the directory number should be set as 00 e g 00 03 01 MP3 02 MP3 USB storage 99 MP3 gt Store all tracks in primary directories By this method tracks can be stored by classification and up to 99x99 tracks can be stored 01 MP3 02 MP3 Directory 1 99 MP3 USB storage 01 MP3 02 MP3 Directory 99 99 MP3 14 PM8735 Fire Protection Public Address System Store tracks in root and primary directories Up to 99 99 x 99 tracks can be stored USB storage Directory I Directory 99 01 MP3 99 MP3 01 MP3 02 MP3 99 MP3 01 MP3 02 MP3 99 MP3 Multi function Player List of Built in Programs in USB Disk of PM8712 Series 00 rote directory Gj
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