Download Quest Engineering QT ZM66 User manual
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Q-Tech Commercial Series QT ZM66M Paging Station User Manual Contents Safety Precautions . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 General Description. . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 Operation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 Front Panel Layout. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 Rear Panel Layout . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 Connections. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 Applications. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 Address Set. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 Block Diagram. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 Dimensional Diagram. . . . . . . . . . . . . . . . . . . . . . . . . . . 15 QT ZM66M User Manual Safety Precautions • Be sure to read the instructions in this section carefully before use. • Make sure you observe the instructions in this manual as to the conventions of safety symbols. • We also recommend you keep this instruction manual handy for future reference. Safety Symbol and Message Conventions Safety symbols described below are used in this manual to prevent bodily injury and property damage which could result from mishandling. Before operating your product, read this manual first and understand the safety symbols and messages so you are thoroughly aware of the potential risks. 1 WARNING Indicates a potentially hazardous situation which, if mishandled, could result in death or serious personal injury. CAUTION Indicates a potentially hazardous situation which, if mishandled, could result in moderate or minor personal injury, and/or property damage. Q-Tech Commercial Series QT ZM66M User Manual QT ZM66M User Manual WARNING When Installing the Unit • Do not expose the unit to rain or an environment where it may be splashed by water or other liquids, as doing so may result in fire or electric shock. • Use the unit only with the voltage specified on the unit. Using a voltage higher than that which is specified may result in fire or electric shock. • Do not cut, kink, otherwise damage nor modify the power supply cord. In addition, avoid using the power cord in close proximity to heaters, and never place heavy objects -- including the unit itself -on the power cord, as doing so may result in fire or electric shock. 2 • Be sure to replace the unit’s terminal cover after connection completion. Because high voltage is applied to the speaker terminals, never touch these terminals to avoid electric shock. • Be sure to ground to the earth terminal to avoid electric shock. When the Unit is in Use • Should the following irregularity be found during use, immediately switch off the power, disconnect the power supply plug from the AC outlet and contact your nearest Quest dealer. Make no further attempt to operate the unit in this condition as this may cause fire or electric shock. • If you detect smoke or a strange smell coming from the unit. • If water or any metallic object gets into the unit • If the unit falls, or the unit case breaks • If the power supply cord is damaged (exposure of the core, disconnection, etc.) • If it is malfunctioning (no tone sounds.) • To prevent a fire or electric shock, never open nor remove the unit case as there are high voltage components inside the unit. Refer all servicing to your nearest Quest dealer. • Do not place cups, bowls, or other containers of liquid or metallic objects on top of the unit. If they accidentally spill into the unit, this may cause a fire or electric shock. • Do not insert nor drop metallic objects or flammable materials in the ventilation slots of the unit’s cover, as this may result in fire or electric shock. User Manual Q-Tech Commercial Series QT ZM66M QT ZM66M User Manual CAUTION When Installing the Unit • Never plug in nor remove the power supply plug with wet hands, as doing so may cause electric shock. • When unplugging the power supply cord, be sure to grasp the power supply plug; never pull on the cord itself. Operating the unit with a damaged power supply cord may cause a fire or electric shock. • When moving the unit, be sure to remove its power supply cord from the wall outlet. Moving the unit with the power cord connected to the outlet may cause damage to the power cord, resulting in fire or electric shock. When removing the power cord, be sure to hold its plug to pull. • Do not block the ventilation slots in the unit’s cover. Doing so may cause heat to build up inside the unit and result in fire. • Avoid installing the unit in humid or dusty locations, in locations exposed to direct sunlight, near heaters, or in locations generating sooty smoke or steam as doing otherwise may result in fire or electric shock. When the Unit is in Use • Do not place heavy objects on the unit as this may cause it to fall or break which may result in personal injury and/or property damage. In addition, the object itself may fall off and cause injury and/or damage. • Make sure that the volume control is set to minimum position before power is switched on. Loud noise produced at high volume when power is switched on can impair hearing. • Do not operate the unit for an extended period of time with the sound distorting. This is an indication of a malfunction, which in turn can cause heat to generate and result in a fire. • Contact your Quest dealer for cleaning recommendations. If dust is allowed to accumulate in the unit over a long period of time, a fire or damage to the unit may result. 3 • If dust accumulates on the power supply plug or in the wall AC outlet, a fire may result. Clean it periodically. In addition, insert the plug in the wall outlet securely. • Switch off the power, and unplug the power supply plug from the AC outlet for safety purposes when cleaning or leaving the unit unused for 10 days or more. Doing otherwise may cause a fire or electric shock. An all-pole mains switch with a contact separation of at least 3 mm in each pole shall be incorporated in the electrical installation of the building. Q-Tech Commercial Series QT ZM66M User Manual QT ZM66M User Manual General Description The QT ZM66M 6 zone paging console is able to page individual zones in addition to making “all call” paging announcements. Operation 1. Individual Zone selection, or all call. Keep button depressed while speaking. A chime tone will be activated on pressing zone button and LED will light up. 2. Announcement After selecting the zone to be paged, keep the button depressed while making the announcement. If other QT ZM66M consoles are being used, this is prioritized as a first in/first served basis. 3. Message 3 Activation. Message 3 has many useful functions. This message may be repeated, or a single message played continuously. Use of message 3 is made via the alarm button on the front panel of The QT ZM66. 4. Paging Console has priority over all other sources 5. Recorded messages 4 User Manual Three different messages, 60 seconds max each could be recorded. The first and second message are activate by contact play message on QT ZM66 and they go to all zones. The third message could be only activated by microphone base console and it goes only to the pre-selected zone. Messages have priority on all music sources. 6. Maximum of 6 consoles which may be used. Q-Tech Commercial Series QT ZM66M QT ZM66M User Manual Specifications Sensitivity -50 / -2 dB 2, 5 / 500 mV S/N ratio >68dB Frequency response 100/17.000Hz(-3dB) Phantom power 12V Bass ±12dB Treble ±12dB Chime 2 tone active for contact free in priority and BGM Normal distortion >0.1% Main power supply 24 DC Dimension (mm) 230X150X56 Weight 0.96KG Max number of microphone bases 6 Q-Tech Commercial Series QT ZM66M 5 User Manual QT ZM66M User Manual Front Panel Layout 6 7 4 5 MI C ZO N E 1 ZO N E 2 ZO N E 3 L I N K P O WE R ALAR M 6 ZO N E 4 ZO N E 5 1 1. ZONE(1~6) 6 zone activation switches with LED 2. All Call Activation switch for all zones with LED selection 3. Talk Hold down while making announcements. If other consoles are in operation at the same time, the LED will blink. Please wait before making an announcement ZO N E 6 AL L C AL L TA L K 2 3 4. Alarm Alarm message activation switch for pre-selected zone. The Alarm button operates message no 3 only. Hold button down for 2 seconds to activate message 5. Power Power indicator 6. Link Link indicator 7. MIC Electret microphone User Manual Q-Tech Commercial Series QT ZM66M QT ZM66M User Manual Rear Panel Layout P OWE R 24V DC V O L U ME T R E B L E 3 1 2 1 2 3 B AS S C HIME V O L U ME ID C O NS O L E L INE IN L INK O U T G ND G ND +24D C 8 0 10 -10 9 +10 10 -10 +10 11 0 10 12 13 14 15 8. 24V DC Power Supply 24V DC power connection with secure screw for a potential external power transformer. The 24v power supply should be used when the distance between the QT ZM66M and the QT ZM66 exceeds 50m. When the distance between the QT ZM66 and QT ZM66M is greater than 50m, we must use the 24V DC power input 9. Volume Volume control output 10. Treble Adjust treble response. Rotate clockwise to increase treble output and anti clockwise to reduce it 12. Chime Chime Volume Control 13. ID Console Dip-switches for microphone base ID (from 1 to 6) 14. Line IN 7 Rj45 port for connection to QT ZM66M. Two wires are used for 24 Vdc power provided by QT ZM66M, two wires for the data bus 485 and 3 wires for 0dB microphone signal. 15. Link OUT Connected to the next QT ZM66M 11. Bass Adjust bass response. Rotate clockwise to increase bass output and anti-clockwise to reduce it Q-Tech Commercial Series QT ZM66M User Manual QT ZM66M User Manual Connections Network Connection Line AVIS: RISK OF ELECTRIC SHOCK DO NOT OPEN RISQUE DE CHOC ELECTRICUS -NE PAS QUVRIR IN COM ZONE PUBLIC ADDRESS SYSTEM Digital Mixer 6 zone RELE ZONE CONSOL OUT +1 +2 +3 +4 +5 +6 MIX MUSIC-PAGE OUT MUSIC OUT PAGE OUT REC MESSAGE 3 2 1 OFF PLAY MESSAGE MESSAGE 1 TIME ALARM MESSAGE VOL.REC VOL.PLAY +48V VOLUME PHANTOM CHIME PRIORITY COM NO1 NO2 SERIAL NO : CONTINUOS ~230V/50Hz T1AL250V CD TAPE OPEN RELE INPUT ZONE 1 OUT ZONE 2 OUT ZONE 3 OUT ZONE 4 OUT ZONE 5 OUT MIC NORMAL TUNER MICRO CONSOL ZONE 6 OUT GAIN GAIN CONSOL VOLUME A Network Line POWER 24VDC Paging Station AVIS: PUBLIC ADDRESS SYSTEM RISK OF ELECTRIC SHOCK DO NOT OPEN SERIAL NO : RISQUE DE CHOC ELECTRICUS -NE PAS QUVRIR VOLUME TREBLE 3 1 2 1 2 3 GND GND +24DC 0 10 -10 +10 BASS -10 +10 LINE IN CHIME VOLUME ID CONSOL 0 LINK OUT 10 B 8 User Manual A Q-Tech Commercial Series QT ZM66M B QT ZM66M User Manual Net Production Line Method 1 23 4 5 67 8 1 23 4 5 67 8 B A 1. Blue 1. Blue 2. White Blue 2. White Blue 3. Brown 3. Brown 4. White Brown 4. White Brown 5. Orange 5. Orange 6. White Orange 6. White Orange 7. Green 7. Green 8. White Green 8. White Green 9 Note: Network lines must adopt the five categories of twisted-pair with double-layer shielding, RJ45 connectors must be used with shielded connector Q-Tech Commercial Series QT ZM66M User Manual QT ZM66M User Manual Applications 1 amplifier for music 1 amplifier for voice for 6 zone Compact disc 100V OUTPUT 70V 4~16 COM GND RISK OF ELECTRIC SHOCK DO NOT OPEN AVIS: LIFT RISQUE DE CHOC ELECTRICUS -NE PAS QUVRIR PUBLIC ADDRESS SYSTEM SERIAL NO : POWER FUSE 350W T6.3AL250V 500W T8AL250V 650W T10AL250V ~230V/50Hz LINK INPUTS Voice FUSE 100V OUTPUT 70V 4~16 COM GND RISK OF ELECTRIC SHOCK DO NOT OPEN AVIS: LIFT RISQUE DE CHOC ELECTRICUS -NE PAS QUVRIR POWER PUBLIC ADDRESS SYSTEM 350W SERIAL NO : INPUTS FUSE Music T6.3AL250V 500W T8AL250V 650W T10AL250V ~230V/50Hz LINK FUSE AVIS: RISK OF ELECTRIC SHOCK DO NOT OPEN RISQUE DE CHOC ELECTRICUS -NE PAS QUVRIR IN COM ZONE RELE ZONE CONSOL OUT +1 +2 +3 +4 +5 +6 OPEN RELE INPUT ZONE 1 OUT MIX MUSIC-PAGE OUT MUSIC OUT PAGE OUT PLAY MESSAGE REC MESSAGE 3 2 1 OFF MESSAGE 1 TIME ALARM MESSAGE VOL.REC VOL.PLAY +48V VOLUME PHANTOM CHIME PRIORITY COM NO1 NO2 PUBLIC ADDRESS SYSTEM SERIAL NO : 10 CONTINUOS ~230V/50Hz T1AL250V TAPE ZONE 2 OUT ZONE 3 OUT ZONE 4 OUT ZONE 5 OUT CD MIC NORMAL TUNER MICRO CONSOL ZONE 6 OUT GAIN GAIN CONSOL VOLUME POWER 24VDC AVIS: Zone 1 PUBLIC ADDRESS SYSTEM RISK OF ELECTRIC SHOCK DO NOT OPEN SERIAL NO : RISQUE DE CHOC ELECTRICUS -NE PAS QUVRIR VOLUME TREBLE 3 1 2 POWER 24VDC AVIS: Zone 2 1 2 3 GND GND +24DC 0 10 -10 +10 2 POWER 24VDC AVIS: Zone 3 2 POWER 24VDC AVIS: 1 2 3 GND GND +24DC 10 -10 +10 3 1 2 POWER 24VDC AVIS: Zone 5 2 POWER 24VDC AVIS: 10 -10 +10 Zone 6 User Manual Q-Tech Commercial Series QT ZM66M 2 +10 0 BASS -10 +10 10 -10 +10 BASS -10 +10 0 10 -10 +10 BASS -10 +10 CHIME VOLUME ID CONSOL 0 LINE IN LINK OUT 10 CHIME VOLUME ID CONSOL 0 LINE IN LINK OUT 10 CHIME VOLUME ID CONSOL 0 LINE IN LINK OUT 10 SERIAL NO : RISQUE DE CHOC ELECTRICUS -NE PAS QUVRIR GND GND +24DC LINK OUT PUBLIC ADDRESS SYSTEM RISK OF ELECTRIC SHOCK DO NOT OPEN 1 2 3 LINE IN 10 SERIAL NO : RISQUE DE CHOC ELECTRICUS -NE PAS QUVRIR GND GND +24DC 0 PUBLIC ADDRESS SYSTEM RISK OF ELECTRIC SHOCK DO NOT OPEN 1 2 3 CHIME VOLUME ID CONSOL SERIAL NO : VOLUME TREBLE 3 1 -10 RISQUE DE CHOC ELECTRICUS -NE PAS QUVRIR GND GND +24DC LINK OUT PUBLIC ADDRESS SYSTEM RISK OF ELECTRIC SHOCK DO NOT OPEN 1 2 3 LINE IN 10 SERIAL NO : 0 VOLUME TREBLE 3 1 BASS RISQUE DE CHOC ELECTRICUS -NE PAS QUVRIR GND GND +24DC 0 PUBLIC ADDRESS SYSTEM RISK OF ELECTRIC SHOCK DO NOT OPEN 1 2 3 CHIME VOLUME ID CONSOL SERIAL NO : 0 VOLUME TREBLE Zone 4 +10 RISQUE DE CHOC ELECTRICUS -NE PAS QUVRIR VOLUME TREBLE 3 1 -10 PUBLIC ADDRESS SYSTEM RISK OF ELECTRIC SHOCK DO NOT OPEN VOLUME TREBLE 3 1 BASS 0 10 -10 +10 BASS -10 +10 CHIME VOLUME ID CONSOL 0 10 LINE IN LINK OUT QT ZM66M User Manual 6 amplifier one for each zone Compact disc AVIS: RISK OF ELECTRIC SHOCK DO NOT OPEN RISQUE DE CHOC ELECTRICUS -NE PAS QUVRIR IN COM ZONE RELE ZONE CONSOLOUT +1 +2 +3 +4 +5 +6 OPEN RELE INPUT ZONE 1 OUT PUBLIC ADDRESS SYSTEM MIX MUSIC-PAGE OUT MUSIC OUT PAGE OUT PLAY MESSAGE REC MESSAGE 3 2 1 OFF MESSAGE 1 TIME ALARM MESSAGE VOL.REC VOL.PLAY +48V VOLUME PHANTOM CHIME CONTINUOS ~230V/50Hz T1AL250V CD TAPE ZONE 2 OUT ZONE 3 OUT ZONE 4 OUT ZONE 5 OUT MIC NORMAL TUNER MICRO CONSOL ZONE 6 OUT GAIN POWER 24VDC AVIS: 2 GND GND +24DC BASS CHIME VOLUME ID CONSOL LINE IN LINK OUT 100V OUTPUT 70V 4~16 COM GND AVIS: 0 10 -10 +10 -10 +10 0 RISK OF ELECTRIC SHOCK DO NOT OPEN RISQUE DE CHOC ELECTRICUS -NE PAS QUVRIR PUBLIC ADDRESS SYSTEM 10 SERIAL NO : LIFT POWER 350W FUSE T6.3AL250V 500W T8AL250V 650W T10AL250V ~230V/50Hz LINK INPUTS FUSE POWER 24VDC AVIS: 2 SERIAL NO : RISQUE DE CHOC ELECTRICUS -NE PAS QUVRIR 1 2 3 GND GND +24DC BASS CHIME VOLUME ID CONSOL LINE IN 11 LINK OUT 100V OUTPUT 70V 4~16 COM GND 0 10 -10 +10 -10 +10 0 10 AVIS: RISK OF ELECTRIC SHOCK DO NOT OPEN RISQUE DE CHOC ELECTRICUS -NE PAS QUVRIR PUBLIC ADDRESS SYSTEM SERIAL NO : LIFT POWER 350W FUSE T6.3AL250V 500W T8AL250V 650W T10AL250V ~230V/50Hz LINK INPUTS FUSE POWER 24VDC AVIS: 2 SERIAL NO : RISQUE DE CHOC ELECTRICUS -NE PAS QUVRIR 1 2 3 GND GND +24DC Zone 5 PUBLIC ADDRESS SYSTEM RISK OF ELECTRIC SHOCK DO NOT OPEN VOLUME TREBLE 3 1 Zone 6 PUBLIC ADDRESS SYSTEM RISK OF ELECTRIC SHOCK DO NOT OPEN VOLUME TREBLE 3 1 CONSOL VOLUME SERIAL NO : RISQUE DE CHOC ELECTRICUS -NE PAS QUVRIR 1 2 3 GAIN PUBLIC ADDRESS SYSTEM RISK OF ELECTRIC SHOCK DO NOT OPEN VOLUME TREBLE 3 1 PRIORITY COM NO1 NO2 SERIAL NO : BASS CHIME VOLUME ID CONSOL LINE IN LINK OUT 100V OUTPUT 70V 4~16 COM GND AVIS: 0 10 -10 +10 -10 +10 0 10 RISK OF ELECTRIC SHOCK DO NOT OPEN RISQUE DE CHOC ELECTRICUS -NE PAS QUVRIR PUBLIC ADDRESS SYSTEM SERIAL NO : LIFT POWER 350W FUSE T6.3AL250V 500W T8AL250V 650W T10AL250V ~230V/50Hz LINK INPUTS FUSE Zone 4 POWER 24VDC AVIS: PUBLIC ADDRESS SYSTEM RISK OF ELECTRIC SHOCK DO NOT OPEN SERIAL NO : VOLUME TREBLE 3 1 2 100V RISQUE DE CHOC ELECTRICUS -NE PAS QUVRIR 1 2 3 GND GND +24DC BASS CHIME VOLUME ID CONSOL LINE IN OUTPUT 70V 4~16 COM GND LINK OUT AVIS: RISK OF ELECTRIC SHOCK DO NOT OPEN RISQUE DE CHOC ELECTRICUS -NE PAS QUVRIR PUBLIC ADDRESS SYSTEM 0 10 -10 +10 -10 +10 0 SERIAL NO : 10 LIFT POWER 350W FUSE T6.3AL250V 500W T8AL250V 650W T10AL250V ~230V/50Hz LINK INPUTS FUSE 100V POWER 24VDC AVIS: 2 1 2 3 GND GND +24DC GND SERIAL NO : RISQUE DE CHOC ELECTRICUS -NE PAS QUVRIR BASS CHIME VOLUME ID CONSOL LINE IN AVIS: LINK OUT 10 -10 +10 -10 +10 0 RISK OF ELECTRIC SHOCK DO NOT OPEN RISQUE DE CHOC ELECTRICUS -NE PAS QUVRIR PUBLIC ADDRESS SYSTEM SERIAL NO : LIFT POWER FUSE T6.3AL250V 350W 500W T8AL250V 650W T10AL250V ~230V/50Hz LINK INPUTS 0 Zone 3 COM PUBLIC ADDRESS SYSTEM RISK OF ELECTRIC SHOCK DO NOT OPEN VOLUME TREBLE 3 1 OUTPUT 70V 4~16 10 FUSE Zone 2 100V POWER 24VDC AVIS: 2 GND GND +24DC GND SERIAL NO : RISQUE DE CHOC ELECTRICUS -NE PAS QUVRIR 1 2 3 COM PUBLIC ADDRESS SYSTEM RISK OF ELECTRIC SHOCK DO NOT OPEN VOLUME TREBLE 3 1 OUTPUT 70V 4~16 BASS CHIME VOLUME ID CONSOL LINE IN AVIS: LINK OUT 0 10 -10 +10 -10 +10 0 RISK OF ELECTRIC SHOCK DO NOT OPEN RISQUE DE CHOC ELECTRICUS -NE PAS QUVRIR PUBLIC ADDRESS SYSTEM SERIAL NO : INPUTS LINK LIFT POWER 350W FUSE T6.3AL250V 500W T8AL250V 650W T10AL250V ~230V/50Hz 10 FUSE Zone 1 Q-Tech Commercial Series QT ZM66M User Manual QT ZM66M User Manual Address Set ID Console Address Set ADDRESS ADDRESS DEFINITION DEFINITION 12 1 1 2 2 3 3 4 4 5 5 6 6 7 7 8 8 9 9 10 10 11 11 12 12 13 13 14 14 15 15 16 16 User Manual ADDRESS ADDRESS 17 17 ON ON ON ON ON ON 19 19 ON ON 20 20 ON ON ON ON ON ON ON ON ON ON ON ON ON ON ON ON ON ON ON ON ON ON ON ON Q-Tech Commercial Series QT ZM66M 18 18 21 21 22 22 23 23 24 24 25 25 26 26 27 27 28 28 29 29 30 30 31 31 32 32 DEFINITION DEFINITION ON ON ON ON ON ON ON ON ON ON ON ON ON ON ON ON ON ON ON ON ON ON ON ON ON ON ON ON ON ON ON ON QT ZM66M User Manual ADDRESS ADDRESS 33 33 34 34 35 35 36 36 37 37 38 38 39 39 40 40 41 41 42 42 43 43 44 44 45 45 46 46 47 47 48 48 DEFINITION DEFINITION ADDRESS ADDRESS 49 49 ON ON ON ON ON ON 51 51 ON ON 52 52 ON ON ON ON ON ON ON ON ON ON ON ON ON ON ON ON ON ON ON ON ON ON ON ON 50 50 53 53 54 54 55 55 56 56 57 57 58 58 59 59 60 60 61 61 62 62 63 63 64 64 DEFINITION DEFINITION ON ON ON ON ON ON ON ON ON ON ON ON ON ON ON ON ON ON ON ON ON ON ON ON ON ON ON ON ON ON ON ON 13 Q-Tech Commercial Series QT ZM66M User Manual QT ZM66M User Manual G ND Ta lk A ll z one A la rm G ND MC U ID G nd Block Diagram G ND +12v MA X 485 C ONT R OL C ONT R OL 14 User Manual Q-Tech Commercial Series QT ZM66M QT ZM66M User Manual Dimensional Diagram UNIT: mm ZO N E 1 ZO N E 2 L I N K P O WE R ZO N E 3 ALAR M ZO N E 4 ZO N E 5 ZO N E 6 AL L C AL L 150 mm MI C Front Panel TA L K 220 mm 15 P U B L IC A D D R E S S S Y S T E M R IS K O F E L E C T R IC S H O C K DO N O T O P E N AV IS : S E R IA L N O : R IS Q U E D E C H O C E L E C T R IC U S -N E P A S Q U V R IR V O L U ME T R E B L E P OWE R 24V DC 2 1 2 3 B AS S C HIME V O L U ME ID C O NS O L L INE IN L INK O U T G ND G ND +24D C 0 10 -10 +10 -10 +10 0 10 56 mm 3 1 56 mm 220 mm Back Panel Side Panel 150 mm Q-Tech Commercial Series QT ZM66M User Manual QT ZM66M User Manual 16 User Manual Q-Tech Commercial Series QT ZM66M QT ZM66M User Manual 17 Q-Tech Commercial Series QT ZM66M User Manual www.questaudio.net Quest Engineering Pty Ltd 86 Derby St. Pascoe Vale VIC 3055 Ph 613 9354 9133 | Fax 613 9354 9233