EXPLORER 1500
USER GUIDE
BW7640
EXPLORER 1500 BWL0355/1
355 Old Road
Clacton on Sea
Essex CO15 3RH UK
Tel:
+44 (0)1255 422807
+44 (0)1255 436342
Fax:
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Introduction
Connecting Esprit Gemini Monobloc Heads
Dear Valued Customer,
Two auxiliary outlets, EXTENTION SOCKET 1 and EXTENTION SOCKET 2, are provided,
purely to provide a charging source for up to two Gemini Monoblocs. One or two Gemini’s
can be used on their own or in conjunction with the normal flash heads. The major effect of
using these outlets, in addition to the normal flash heads, is to slow down the overall recycle
time of the pack. Each Gemini controls the charge by itself according to its own setting and
there are NO user controls on the pack for these.
Thank you for choosing the Bowens Explorer 1500. The Explorer 1500 has been designed using
the latest technology to produce a unit that is simple to operate, yet has a powerful, highly
controllable and accurate output.
For details of all related products, please contact your local distributor, a list of which can be
In order to obtain the full benefit from your purchase, please take a few moments to familiarise
yourself with this user guide.
A Travel-Pak cable, BW-7632 as supplied with the
Gemini, is required for each Gemini. DO NOT use
any other type of cable or damage may result.
Thank you.
Bowens International Ltd.
If only one of the auxiliary outlets is used please
make sure that the dummy socket, attached to the
cable, is fitted to the other extension socket.
Safety Notes
ALWAYS
•
Switch the pack OFF before connecting or disconnecting ANY cables from the pack or
changing a flash tube or bulb on a flash head.
Once connected, switch the power on the Gemini(s) to position II. Switch the Explorer on.
The Gemini(s) will now charge followed by the pack. Adjust the flash power on the
Gemini(s) and set up as required. If more than one Gemini is fitted then wait until both are
ready before firing. If the pack is being flashed simultaneously with the Gemini then the
READY indicator on the pack indicates that the overall set-up is READY.
•
•
•
Fit only Bowens approved equipment to this unit.
Have the unit checked out before using if it is dropped or damaged in any way.
Have the unit checked by an authorised service centre only, due to the high energy/high
voltage of the units.
Use is as normal except the Gemini modelling light will not be available.
•
•
•
Use a Bowens approved charger with this unit.
For correct and safe operation of the Gemini please refer to the relevant instructions.
Take care not to drop the battery cassette - the battery is heavier than its size may suggest.
Keep the battery cassette clean and dry to prevent contamination of the contacts and fuses.
Do not use any organic solvents or detergents. Wipe with a clean dry cloth.
•
•
•
Recharge the battery as soon as possible after use. The battery has no so-called memory
effect so for longest life keep fully charged at all times.
Fully charge every 6-9 weeks to maintain battery condition (if possible leave the battery
cassette on charge indefinately).
Run skin under water immediately if contact made with electrolyde (acid).
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Safety Notes
Camera Synchronising
‘Remote Radio Trigger’
NEVER
The pack has a built-in multi-channel radio receiver compatible with Bowens own Pulsar
radio trigger system and Calumets LiteLink. Enter the PACK SETUP menu and select the
desired CHANNEL number and STUDIO number (if applicable). Then go to the BASIC
FUNCTION menu and set the Radio Sync. to ON. For further details see instructions for
the system used.
•
Use the Explorer in an environment where moisture or flammable vapour is likely to come
in contact with the unit.
•
•
Leave trailing supply cords and sync leads where they can be tripped over or damaged.
Connect an external mains supply to any Gemini that is also connected to the Explorer (this
may cause a circuit breaker to trip or a fuse to blow).
Connecting Flash Heads
•
•
•
•
Charge the Battery Cassette in a gas tight container.
Use a unit with damaged covers, mouldings or sockets.
Open the casing or modify the operation of any Bowens units.
One or two flash heads may be connected to the pack via sockets A and B.
Always ensure that the pack is switched off before fitting or removing a flash head.
Always ensure that a flash head is removed before carrying out any maintenance to the
head such as changing a flash tube or bulb.
Change the fuses for a different type or rating. The Explorer Battery Cassette is protected
by two 40A and one 5A automative blade type fuses. In the event that one or more fuses
have blown it is likely that a genuine fault has occured and the unit and/or battery cassette
will need repair by an authorised service centre.
Plug the head in by first inserting the front of the connector into the socket and then
pushing down on the rear to lock it. Always ensure that it is locked before use. To
remove the flash head grasp the conector, not the lead, push the latch away from the
connector and pull it upwards.
•
•
•
•
Leave the unit and/or flash heads in close proximity to any flammable materials while the
unit is in use.
Move the unit from extremes of temperatures and humidity. When moving the unit from such
conditions allow at least one hour for the unit to stabilise at room temperature before using.
Flash Power Control
Open the battery cassette or try to modify it for any reason. There are no user-serviceable
parts inside.
The pack is designed in such a way that the output to the flash heads can be
continuously controlled in 1/10 f-stops using the Rotary Dial together with the A and B
buttons. The A+B or A/B (SYM/ASYM) selector from the BASIC FUNCTION menu
controls the distribution of power between the A and B sockets.
Dispose of the battery in normal household waste or in a fire (always dispose of battery in
the correct way. Recycling details below).
RECYCLING INFO
•
The Battery Cassette contains a Sealed Lead Acid Battery containing hazardous chemicals
and it is therefore subject to special waste disposal and/or recycling.
When set to A+B the overall power of the pack is combined and is available from either
or both A and B sockets. In this mode the A channel controls the overall power and the
LCD shows only the A channel.
In the USA only you may call 1-800-SAV-LEAD (1-800-728-5323) for complete recycling
information.
When set to A/B the two channels A and B can be controlled separately. At the maximum
power setting there is a fixed ratio of 1 f-stop between channel A and channel B i.e. A =
1000Ws and B = 500Ws.
largest nation-wide collector of waste batteries in the UK, particularly lead acid) on
0121 568 3200.
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Auxiliary Control Menu
Basic Operations
A
Turn the Rotary Dial to highlight the required
function.
N
Auxiliary
Equipment
Sockets
Radio Aerial
Press SELECT to allow the status or value of
the chosen function to be changed.
B
C
D
E
F
M
External
Sync Socket
Charge
Socket
Rotate the KNOB to cycle through the
possible settings or values and select the
required one.
L
Rotary
LCD
Screen
Selector
Dial
‘Auto Off’
K
This allows the pack auto-off period to be set in the range of 1 - 60 minutes or
NEVER. The pack automatically switches itself off if the cobntrols or Sync. have not
been in use during the selected period.
Photocell
Status
L.E.D.
J
‘Backlight Mode’
READY
L.E.D.
B Channel/
Select Button
This allows the LCD backlight mode to be set to OFF, ON or AUTO. The display will
be adequate in OFF or AUTO under most working conditions. In AUTO the backlight
will only light if the ambient light is insufficient and a setting changed. It will turn off
shortly afterwards if the controls are not used.
I
On/Off
Button
A Channel/
Done Button
G
H
Test
Button
Menu
Button
Camera Synchronising
A) Provides the ability to remotely trigger the pack using Bowens Pulsar or Calumets LiteLink.
Remote setting of channels is also provided.
There a number of possible methods of synchronising the pack to the camera or any
other remote triggering device. These can also be used simultaneously allowing
maximum flexibility:
B) Connect a camera, flash meter, remote trigger device etc. via the supplied cable.
C) Displays the current settings and status information.
D) & Backlight Sensor Window - Keep uncovered.
‘Sync. Cable’
E) Shows green when pack is READY.
F) Press and hold for 2 seconds to turn on. Press again to turn off.
G) Press to flash the pack. It can also be used to quickly dump any excess energy.
H) Allows various menu levels and functions to be selected.
Two Sync. sockets are provided for a hard-wired triggering system. This allows a
camera to be directly plugged in using the supplied Sync. cable. At the same time a
flash meter or other remote triggering device may also be plugged in to the other
socket. The Sync. cable may be extended using Sync. Extension cords if required.
I)
Selects the A channel for control or saves the current selected setting.
J) Selects the B channel for control or selects function for setting.
K) Status LEDs
‘Photocell’
L) Allows selection of a menu item or adjustment of the currently selected function
or setting.
The photocell provides a means of triggering the pack from an external flash source.
Just ensure that the red photocell window on the top panel can ‘see’ the flash source.
Go to the BASIC FUNCTION menu and set the photocell to ‘on’.
M) Use the supplied 2A charger if required to charge the battery cassette within the pack.
N) Auxiliary Equipment Sockets - Can power up to two Gemini monoblocs.
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Quick Start Instructions
Load, Save & Restore Menu
•
•
Ensure that a Battery Cassette with sufficient charge remaining for the work
required is fitted into the pack. For best results use a fully charged Battery
Cassette.
Turn the Rotary Dial to highlight the required
function.
A fully charged Battery Cassette can be checked outside of the pack by plugging
the charger into the cassette and switching the charger on. If the indicator on the
charger changes to green within 20 seconds then the battery is at least 90%
charged.
Press SELECT to initiate the required function.
The desired function will be carried out and you will
be left in the SECOND menu.
•
•
Connect the required flash heads and/or Gemini monoblocs to the pack. See
operating instructions for these.
‘Load System Setup’
Load a previously saved set-up.
‘Save System Setup’
Save the current settings.
‘Restore Setup’
Connect the camera Sync. cord to one of the Sync. sockets or use the internal
photocell or radio for remote triggering.
•
•
•
Switch the pack on by pressing and holding the On/Off button for two seconds.
Select the required heads and energy level/flash power.
Select the required charge rate/recycle time (charge rate can be found in the ‘Pack
Setup’ Menu. Select from either MIN, SLOW, AUTO, or FAST.
•
•
•
•
Select audible READY signal.
Restores all of the factory settings.
Select any other option desired.
Ensure that the green READY light is lit.
Switch the modelling light on if desired.
Status Information Display
This display provides information on the pack history
and current status such as the number of flashes
completed, temperatures, battery voltage, software
version etc.
Using the Battery
The pack has two flash counters, PACK TOTAL, which
cannot be modified by the user and JOB COUNT,
which can. The job counter may be used to record the
number of flashes over a particular period by resetting
its value after the session.
•
•
The pack cannot be used without the battery cassette fitted.
The pack can still be used while charging the battery cassette (providing there is
sufficient charge remaining within the battery).
Press MENU and SELECT together to reset the JOB COUNT.
•
•
Use only Bowens approved chargers or permanent damage may occur.
The battery cassette can be charged either within or outside the pack from mains
using the supplied charger or alternatively from a vehicle using the optional car
charger.
•
The battery has no memory effect so it can be charged and discharged from any
state. However, for best results and service life never fully discharge the battery,
charge it as soon as possible after use and keep it fully charged.
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Trigger Mode Menu
Fitting the Battery
‘Skip’
•
•
Lay the pack on its longest side with the aerial uppermost.
This is solely for use with two or more packs and is designed to allow the photographer to trigger
up to eight packs in sequence and therefore enable effectively faster flash rates or to even
produce special effects.
Lay the battery cassette with the fuses uppermost and the
slotted handle to the right.
•
•
Rotate the toggle botton on the base of the cassette to
realise the two handles and open them fully out.
•
•
•
•
Each pack must be connected to the SAME trigger source and must have ‘Skip’ turned on.
Set ‘SKIP’ to ‘ON’.
Slide the battery cassette into the pack with the slotted
handle towards the right. The cassette will not fit in the
pack the wrong way round.
Set Total Packs on each pack to the number in use (2-9).
Assign each pack a Pack ID according to the order of triggering required. This must be less
than or equal to the total number of packs used.
•
Gently push the cassette all the way in and fold the
handles down so that they lock the cassette inside the
pack.
Once set up and a Sync. signal occurs, each pack begins counting the number of triggers
detected. When this number is equal to the Pack ID of a pack, the pack will then fire.
•
•
Lock the handles in place by rotating the toggle button.
Rotate the toggle button to adjust the lock.
e.g. Consider 3 packs each set with Total Packs = 3 and individually set with Pack ID = 1, 2
and 3.
Stand the pack upright.
Having set SKIP on each pack to ON, the first Sync. signal will cause Pack 1 to fire, the second
(Pack 2) to fire and the third (Pack 3) to fire. The fourth trigger will cause Pack 1 to fire again
and so on.
‘Multi’
This allows the pack to fire a multiple number of times following a single trigger signal.
Removing the Battery
•
•
Set Shots/Trig to the number required in the range 2 - 99.
•
•
•
•
Removal of the cassette is the reverse of fitting.
Set interval to the required time between shots in the range 1 - 99 seconds.
Lay the pack on its longest side with the aerial uppermost.
On receiving a Sync. signal the pack will fire off automatically the chosen number of shots
with the chosen time interval between them.
Rotate the toggle button on the base of the cassette to release the two handles.
Fold out the handles and pull on them whilst using the thumbs against the pack to eject
the cassette out of the pack.
NOTE:
In setting certain modes the user must ensure that the pack will recharge within the time set,
otherwise it will not be READY and hence will not fire as expected.
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Charging the Battery
Bracket Mode Menu
Bracketing allows three consecutive shots to be taken at
power levels above, at and below the current setting level.
The bracketing sequence may be arranged to start at a low
power working upwards or alternatively begin at a high
power and work downwards. First set the desired power
setting.
•
•
•
•
One universal voltage charger is supplied with the pack and is provided with a set
of mains adaptors suitable for the majority of mains outlets around the world.
Choose the adaptor suitable for your mains supply. If an unusual mains outlet is
encountered an appropriate travel adaptor will need to be found.
Set the desired bracket step size between 0.1 and 0.9 by
pressing SELECT to highlight the bracket settings and then
turn the Rotary Dial to set. Press MENU to highlight
START.
If the battery cassette is to be charged inside the pack, plug the charger output
connector into the CHARGE jack socket on the top of the pack.
The unit will automatically check and warn if the selection is not possible within the existing setting
constraints. A warning occurs if the bracket step will take the unit outside of its normal operating
range.
If the battery cassette is to be charged outside the pack, plug the charger output
connector into the CHARGE jack socket on the side of the cassette. Avoid knocking
or placing strain on the connector.
The left most bracket step is always carried out first so ensure that this is negative to start from a
lower power or positive to start from a higher power.
•
•
•
Connect the charger to the mains supply and switch on.
A red indicator on the charger shows that the cassette is charging normally.
As an example, assume a single head in socket A is set for 6.0. First Select a -0.3 bracket step.
In the unlikely event that the indicator shows yellow then there is a fault and the
cassette and charger should be disconnected.
The screen indicates that the first flash will occur -0.3 stop below the present power setting. The
second flash will be at the present power setting and the final flash will be 0.3 stop above the present
power setting. A pointer under the step indicates the next flash and DONE indicates that the flash is
complete. At any time, pressing DONE will take the user out of bracketing mode.
•
•
•
The green indicator briefly flickering shows the transition between charging and
trickle charge.
When the indicator shows steady green the cassette is approximately 90% - 95%
charged and is being trickle charged.
Trigger Mode Menu
The three TRIGGER MODES are accessible from the
TRIGGER MODE menu and allow the user to create
delays, multiple flashes and to sequence flashes using
more than one pack.
If possible leave the battery cassette to charge for a further 30-60 minutes to
ensure that it is fully charged. The Battery Cassette cannot be overcharged if the
charger is left connected.
•
•
A full charge from a discharged state may take anything up to 6 hours depending
on the charger used.
These modes can also be used in conjunction with one
another. The actual use of these modes is left to the
creativity of the photographer. When they are not
required just leave them switched off. When turning off
the pack all settings within various modes are retained.
Please read the battery cassette safety and maintenance instructions at the end of
these instructions.
‘Delay’
This allows a timed delay between triggering the pack and the pack firing.
•
•
•
Select ‘DELAY’ and switch on. Press done.
Set time as required between 0 and 9.9 seconds in steps of 0.1 seconds.
Press done..
Now there will be the chosen delay between the trigger and the flash occuring.
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Second Menu
Basic Controls
•
This allows less frequently used settings to be
changed. From the main menu press the menu
button twice.
In addition to the ON/OFF and TEST buttons the pack functions are simply controlled by means
of three multi-function buttons and a rotary control. In all cases the current status is shown on
the LCD display.
•
•
•
Turn the Rotary Dial to highlight the required
function.
Press SELECT to go into the settings menu for
the chosen function.
The backlight automatically switches on if the ambient light level is insufficient for comfortable
viewing.
Repeat the above procedure for any other
functions within this menu.
•
•
•
The MENU button selects the next lowest level of the menu.
The rotary KNOB highlights menu items or changes values quickly.
Pack Setup Menu
The A and B buttons select the appropriate flash channel for change while in the MAIN
menu.
This allows the Charge Rate, Lamp Time, Radio Channel and Radio Studio settings to be
altered as desired.
•
•
The B button also doubles as the SELECT button and selects an item from a menu or
changes the state of a function. e.g. LAMP ON or OFF.
‘Charge Rate’
The A button also doubles as the DONE button and completes the chosen setting while
repeated presses takes you back up the menu structure.
This determines how quickly the pack will charge and can be
set to AUTO, FAST, SLOW, or MIN.
Turning the pack On & Off
In all cases the pack will determine the charge state of the
battery and slow down the Charge Rate automatically as the
battery becomes discharged. It is advisable to keep the pack
set to MIN or SLOW whenever a faster charge rate is not
necessary. This will give more flashes from the battery per
charge and also preserves the life of the battery.
•
•
Turn the pack on by pressing and holding the ON/OFF button.
A splash screen similar to that shown will appear while the button is held down, and then
change to the menu display. Release the ON/OFF button.
‘Lamp Time’
•
•
Releasing the button will cause the MAIN menu to appear and the pack to start charging the
capacitors.
This sets the timeout period for the modelling lamp to be set between 1 to 99 seconds.
‘Radio Channel’
Turn the pack off by pressing the ON/OFF button and waiting until the splash screen
appears. Release the ON/OFF button.
This sets the radio channel (range of 1 - 4, or ALL).
‘Radio Studio’
This sets the studio channel (range of A - F).
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Main Menu
Basic Function Menu
‘A+B or A/B’
This is the MAIN or top-level menu shown by
default after switched on:
This switches between asymmetric (A/B) and symmetric (A+B) modes. This allows the power
to be asymmetrically split between the two channels A and B, or combined so that the full power
is available from one channel or symmetrically split between them.
The top third of the screen shows the flash power
setting for both channels in digital f-stops and
Joules (Watt
-
second) together with the
‘Radio’
functional flash duration in seconds.
This turns the multi-channel radio receiver on or off. This is compatible with Bowens own Pulsar
Radio Trigger system and Calumets LiteLink. Select the desired Channel and Studio numbers
from the PACK SETUP menu. For further details see the instructions for the system used.
To set the flash power press the A or B button to select the required channel. The associated
LED will light to show it is selected. Set the power for that channel by rotating the knob.
Press the appropriate button, A or B again to go back to the MAIN menu where both LEDs will
be off.
‘Sounder’
The battery CHARGE state is shown in the middle of the screen together with the READY state.
This switches the sounder on or off, which when switched on provides the following:
At the bottom of the screen are icons for the most commonly used functions with their current
status. These are controlled by the BASIC FUNCTION menu.
•
•
A short beep when the pack comes to READY.
A short beep for button presses.
Basic Functions Menu
‘Photocell’
This is the BASIC FUNCTION menu for selecting and
setting the most commonly used functions.
This switches the sensitive photocell on or off and provides a means of triggering the pack from
an external flash source. Always ensure the red photocell window on the top panel can ‘see’
the flash source.
While in the MAIN menu press the MENU button once.
Turn the Rotary Dial to highlight the function icon required.
Press SELECT to change the status of the selected
function.
‘Modelling’ (currently selected in picture)
This turns the modelling light on or off. If the modelling lamp is left on it will turn off automatically
after a user-determined period. Set to the desired period from the PACK SETUP menu.
The modelling light is fixed and does not vary with the flash setting. Using the modelling lamp
reduces the number of flashes available from the battery cassette. A 250W lamp switched on
for 10 seconds uses the equivalent energy of between two or three full power flashes. Use a
lower power lamp (50W or 100W) if this is likely to be a problem.
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