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Esprit 2 500 230V Operating Instructions.
7. Flash Power Selection
• The flash power output is variable over five f-stops from full to one thirty-second (1/32)
power. The full stored energy of 500-Watt Seconds (joules) gives a guide number of
82.5 using a 50° Keylite reflector and 100 ISO film. Half, quarter, eighth, sixteenth, and
thirty-second power settings are marked on the panel by moon phases, and figures.
• Rotating the control (Fig.2. 4) from full to half, half to quarter, quarter to eighth, eighth to
sixteenth, sixteenth to thirty-second gives a reduction in output equivalent to 1 f stop for
each step.
8. Charge
• When first switched 'ON' the green illuminated ON/OFF switch (Fig.1. 5) will light. When
the unit has charged to the level set by the flash power selector (Fig.2. 4) the green
ready LED (Fig.2. 3) will light. Your Esprit 2 500 is now ready to fire.
9. Synchronisation
• There are several ways to trigger the Esprit 2 500.
• Open Flash: (Fig.2. 5)
For testing or multiple flash applications the Open Flash Pushbutton can be used.
• Sync Socket: (Fig.1. 4)
The standard quarter inch jack type socket on the rear panel of the unit may be used for
direct connection to a camera set to 'x' synchronisation. Two Esprit 2 flash units may be
connected together using a 'y' connector. An Infra Red Receiver or Omnicell may also
be plugged into this socket.
• Photocell: (Fig.2. 2)
The Esprit 2 500 has a built in switchable photocell enabling the unit to be triggered by
the flash from any other flash unit or a small camera mounted flash gun. The photocell
is mounted behind the red transparent cover on the top of the Unit.
10. Modelling Lamp Control
• With the modelling lamp control switch (Fig.1. 3) in the central position the modelling
light is OFF. With the modelling light set to 'Intermittent' the modelling light will go out
when the unit is flashed and come back on when the unit comes to ready. This enables
the photographer to see from the camera position that all Esprit 2 units in use have
fired. With the switch set to 'Continuous' the modelling lamp stays on all the time. The
modelling light may be varied in ratio with the flash power output by aligning the
modelling Knob (Fig.2.6) with that of the flash control (Fig.2.4).
11. Fuse (Fig.1. 1)
• The modelling and flash circuitry is protected by a single 5 amp (F) 20mm fuse mounted
on the rear panel. Never replace the fuse with one of a different rating. As the fuse may
blow when the modelling lamp fails always check the fuse when replacing the bulb. A
spare fuse is supplied in the fuse holder. Always switch OFF the Esprit 2 unit before
changing the bulb or fuse.
12. Audible 'Ready' Confirmation
• Set the Sounder Switch (Fig.1.7) to 'ON' to give a short beep when the unit comes to
ready, to provide an audible 'Ready' confirmation.
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Esprit 2 500 230V Operating Instructions.
13. Fitting / Removing A Reflector
• A range of reflectors is available for the Esprit 2 500 unit. To fit, slide the neck of the
reflector over the front of the unit. Align the three pegs on the reflector with the three
slots in the retaining ring. Press down and turn clockwise to lock.
• To remove reflector, press Latch Knob (Fig.2. 1), turn the reflector fully anti-clockwise
and withdraw.
• If an umbrella is to be used a 'Wide Angle Reflector' should be fitted and umbrella fitted
through the mounting hole in the mounting bracket on the Wide Angle Reflector and
locked in position with the knurled screw.
• Note: Take care when fitting / removing reflectors not to damage the flashtube
assembly. The flashtube is very delicate, avoid unnecessary handling of the glass tube.
Always switch off and disconnect from mains supply before fitting / changing the
flashtube assembly.
Warning High Voltage
Do not touch the flashtube assembly for thirty minutes after
disconnecting from supply.
14. Replacement Of Flashtube
• Ensure that the unit is switched off and disconnected from the mains supply and then
wait thirty minutes before touching / removing flashtube. Remove the protective cap and
unwind the twisted Trigger wire from the flashtube support.
• Gently pull flashtube assembly out of the unit. To replace the assembly, hold the
flashtube as shown in Fig.3 and taking care to support both legs of the tube, gently but
firmly, push the flashtube into position, and wind the Trigger wire around the flashtube
support. Always replace with the correct flashtube assembly, BW-2032 for UV coated or
BW-2030 for clear.
Fig.3
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