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at 2400W-s 1/1400 sec. at 600W-s One LED numeric display per channel ±1% at maximum power 230V AC, 50/60Hz / 90 - 130V AC, 50/60Hz Green Ready Indicator lights up at 100% charge. Audio Ready Signal and Modelling Intermittent when selected. 15A thermal breakers for charge and modelling 6V Switchable: On/Off Switchable: On/Off 650w (max.) x 2 Off, Proportional, 100% or Automatic 100% in either Continuous or Intermittent flash-indication mode. QUADX Flash Head (BW7660) 281 x 184 x 336mm (362mm inc. handle) 9.5kg Due to our policy of constant product improvement, Bowens International reserves the right to change equipment specifications without notice. 2 11 Introduction QUAD2400 Number of Channels Number of Head Sockets Symmetric/Asymmetric Master Power Control Independent Channel Variators Stored Energy (Max.) Flash Power Control Range Guide Number (Full power, 50° Keylite, ISO 100) Typical Recycle Time (Full Power) Flash Colour Temperature Flash Duration (t=0.5) (One Head, Max. Variator) Power Level Display Flash Voltage Stabilization Supply Voltage Flash Ready Indication Overload Protection Sync Voltage (Max.) Photocell Audio Ready Signal Modelling Lamps Modelling Modes Recommended Flash Head Dimensions (l x w x h) Weight 10 Dear Valued Customer, Thank you for choosing the Accurate, ergonomic, powerful working closely with photographers professional studios today. Heads and accessories from the QUAD details of all related products, please contact a list of which can be found at In order to obtain the full benefit from your purchase, yourself with this user manual. Thank you. Bowens International Ltd. Safety Notes DO NOT: • Use in an environment where moisture or flammable vapor is likely to come in contact with pack or the flash heads. • Plug or unplug flash heads without first switching power off. • Restrict air vents while in use. • Use a unit with damaged housing, moldings, flash tube or modelling lamp. If the unit is dropped or damaged in any way, always have it checked out before using. • Operate the unit without a safe grounded AC supply. DO: • Switch power off and disconnect from the supply before changing modelling bulb or flash tube. • Observe the AC power supply requirements. • Ensure that the flash head cable locking rings at the power pack or adapters are fully locked before use. • Avoid placing cables where they can be tripped over. Protect from heavy, sharp or hot objects, which may cause damage and replace damaged cables immediately. • Unplug the power pack from the electrical outlet when not in use. • Remove the power cord by gripping the plug. NEVER pull the cord. • Ensure that any extension cord used has a suitable current rating to prevent overheating. NEVER use coiled extension cords. • ALWAYS remove the flash head covers before using. 3 Control Panel Warnings Signs Troubleshooting Top Control Panel Sync Sockets Head Socket ‘A’ Fast/Slow Switch ( Under Handle) Channel A Power Level Display Carry Handle Head Socket ‘B’ Channel B Power Level Display Audio Switch Test Button and Photocell Photocell and LED Ready Indicator Window Switch and LED Modelling Mode Selector Channel A Variator Overall Power Selector Channel B Variator If the unit appears to have developed not a case of normal operation such external causes. If no obvious problem or flash head fuse does not eliminate developed. Always return the unit to an authorized service checks. UNDER NO CIRCUMSTANCES SHOULD YOU ATTEMPT ANY REPAIR YOURSELF. • Overheat Warning The power pack is fitted with a thermostatically controlled power pack may still overheat, even with the fan running. Slow Charge Mode will normally help prevent this from happening. Overheat protection is provided to inhibit charging until the unit to operate normally. The Power Level Displays will flash “Overheat” warning while the NOTE: The overheat condition remains until the power pack reaches a safe the unit is turned off and allowed to cool. • Control Panel Does Not Light Up If the Control Panel does not light up when the unit is switched on, first check the AC power-cord connections and check to make sure the AC outlet is working. Under exceptional conditions of use or component failure, the Internal Fuse may blow. This is designed to protect the unit. Report the problem to your local service agent. DO NOT ATTEMPT TO LOCATE AND REPLACE THE INTERNAL FUSE YOURSELF. • Control Panel Lights Up But Ready Indicator Does Not Light Up If this happens, first confirm that the AC-line voltage is adequate and within the prescribed limits. Confirm that the Flash Thermal Reset Button on the Rear Panel is pushed in. Under exceptional conditions of use, this may trip. Switch the unit off, wait a minute, push the button in and then switch power on again. • Modelling Lamps Are Not Working If all of the modelling lamps are not working, first check to see if the Modelling Thermal Reset Button on the Rear Pane...