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MODELING LAMP
The MODELING LAMP SWITCH is used to select the modeling lamp mode. Pressing the switch will toggle the indicator
lights next to the switch to indicate the selected mode. If the top indicator lamp is on, the modeling light output will adjust in
synch with the flash output and the LED display will indicate the power index. If the bottom lamp is on, the modeling lamp
output is adjusted independent of the flash output index. If both lights are off, the modeling light is off.
Adjust the output of the modeling lamp by using the MODELING LAMP POWER CONTROL BUTTONS. The button
increases the output. The ▼ reduces the output.
AUDIO SIGNAL SWITCH
If you would like to have an audio signal to indicate that the flash is fully charged and ready to fire, press the SOUND button
and the green light above it will illuminate to indicate that the audio signal is on. If you prefer to not have the audio signal,
press the SOUND switch so that the green indicator lamp is off.
Note: When the audio signal is OFF, the modeling lamp will turn off when the flash discharges and will come back on when
the flash is fully charged and ready to fire.
TEST BUTTON
Press the TEST BUTTON to manually fire the flash and check its operation.
FLASH POWER CONTROL
You can adjust the intensity of the flash using the FLASH POWER CONTROL BUTTONS. Use the + button to increase the
flash intensity. The numbers on the LED display with increase to a maximum indicator of 6. Use the – to decrease the flash
intensity. The numbers on the LED display will decrease to a minimum indicator of 1.
OPTICAL SLAVE MODE
The flash offers 5 synchronization modes for the built-in optical slave trigger. These modes allow the flash to properly
synchronize with another flash which is triggering the PD300. To select the mode, use the OPTICAL SLAVE SWITCH.
Press the switch until the LED lamp of the OPTICAL SLAVE MODE INDICATOR is next to the mode you wish to use is
illuminated. If all of the LED lamps are OFF, the optical slave is inactive.
Modes:
1. Standard Sync Mode - When this mode is selected, the PD300 will flash instantly when another flash fires.
2. 0.5 Second Delay – In this mode, the PD300 will ignore the first "pre-flash" and trigger with the second flash. There
will be a .05 second delay from the time of the first "pre-flash" until the PD300 flashes.
3. Trigger On Second Flash – In this mode, the PD300 will ignore the first triggering flash and trigger instantly with
the second flash from the triggering flash.
4. Trigger On Third Flash - In this mode, the PD300 will ignore the first and second triggering flash and trigger
instantly with the third flash from the triggering flash.
5. Trigger On Fourth Flash - In this mode, the PD300 will ignore the first, second, and third triggering flash and trigger
instantly with the fourth flash from the triggering flash.
Different cameras use a variety of flash schemes to reduce red-eye from a single pre-flash to a burst of flashes. Choosing
the mode which best matches the pre-flash mode on your camera will help you to get the best results.
Safety Precautions
1. Before using the flash, make sure that your lighting equipment is plugged into a 110 volt AC power source.
2. Do not expose your lighting equipment to sunlight, moisture, dust, dirt, rain or water.
3. Any exposure to chemical solutions, gasoline, grease, oil, paint, or detergents can result in permanent damage to
your equipment.
4. Do not insert any metal objects into your lighting equipment.
5. Do not touch or handle equipment with wet hands or allow your equipment to be in contact with water.
6. Be sure to disconnect from the power supply when the light is not in use.
7. Do not attempt to repair your lighting equipment yourself.
8. Avoid rapid continuous firing of your flash. Continued rapid firing may cause excessive heat build up and potential
damage to your unit.
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