User manual BOWENS QUAD 2400

[. . . ] · Plug or unplug flash heads without first switching power off. · 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. [. . . ] Switch the unit off, wait a minute, push the button in and then switch power on again. Overall Power Selector Channel B Variator · 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 Panel is out. If this is the case, DO NOT RESET IT until you have checked the head(s) for blown bulbs and/or fuses. · Power Pack Triggers Erratically Check to see if the power pack is being triggered by another flash source by turning the photocell off. Audio Switch and LED Test Button and Ready Indicator Photocell Window Photocell Switch and LED 4 www. bowens. co. uk www. bowens. co. uk 9 Getting Started Before first using your power pack or after an extended storage period, it is recommended that the unit be checked for basic operation as follows: 1. Be sure the protective cap is removed and the modelling lamp is fitted and switched on. Set the Overall Power Selector to Symmetric/2400 and the Channel A Variator to Full. Set Audio Switch to On, Photocell Switch to Off and Fast/Slow Switch to Slow. Connect the power pack to a 230V AC, 50/60Hz outlet using the power cord. Confirm after a few seconds that the Ready Indicator lights up, the Audio Ready Signal beeps and the flash head's Modelling Light is on at Full brightness. Confirm that the head flashes, the power pack recycles and Ready Indicator lights up. Repeat steps 8 and 9 with the Overall Power Selector set to Symmetric/1200, Symmetric/600, Asymmetric/1200, Asymmetric/600 and Asymmetric/300. Confirm that there is an appropriate change of light output with each change of setting. Reduce the Channel A Variator setting to -3. 0 and confirm that the Modelling Light has dimmed. Confirm that the head flashes, the power pack recycles and Ready Indicator lights up. Set the Overall Power Selector to Asymmetric/1200 and both Channel Variators to Full. This time both numeric displays will show "1200. " The power pack will now charge to this setting. Confirm after a few seconds that the Ready Indicator lights up, the Audio Ready Signal beeps, and the flash head's Modelling Light is on at Full brightness. Confirm that the head flashes, the power pack recycles and the Ready Indicator lights up. Repeat steps 16 to 19 with the Overall Power Selector set to Asymmetric/600 and Asymmetric/300. Confirm that there is an appropriate change of light output with each change of setting. Flash Thermal Reset Button NOTES: AC Inlet 230VAC 50/60Hz 16A Power On/Off Switch Control Panel Guide Rear Panel Modelling Thermal Reset Button 1 The QUAD2400 displays the power available to each channel in watt-seconds on the two red numeric Power Level Displays marked Channel A and Channel B. 2 Beneath the Channel Power Level Displays are the Channel Variators. [. . . ] Modelling Control The Modelling Mode Selector provides a common control for the modelling lamps of all fitted heads. Note that most heads are fitted with a modelling lamp On/Off Switch that overrides the control on the power pack. As well as Off, the pack provides three modelling modes, each available with Intermittent flash indication: 1. Intermittent extinguishes the lamps when the pack is fired and turns them back on again when the pack is 100% recycled and Ready Indicator lights up. [. . . ]