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INON D-180 Manual
Version 1. October 4, 2003
Copyright 2002, 2003 by INON America, Inc. All rights reserved.
12
Chapter 1 D-180 Features
D-180 Main Functions
The D-180 is a high performance, multi-function underwater auto-strobe, designed to be
particularly useful with digital camera systems and including features such as advanced cancel
circuitry and an integral underwater light. Depending on what camera system and master strobe
the D-180 is used with, the useable D-180 functions will be different. Some functions are only
useable in conjunction with certain camera and strobe systems.
The main functions are:
1) Flash Function
(External Auto Strobe / External Auto Function)
When camera shutter is released the D-180 flashes in time with the camera and
automatically adjusts flash output for correct exposure.
Using the D-180’s “External Auto Flash Exposure Adjustment” (hereafter, “External
Auto”) control mode the D-180 itself automatically adjusts for correct flash output
amount and “proper” exposure. It is not necessary to rely on the camera’s automatic
flash adjustment control. Or use the Manual Mode 4 step flash output adjustment for
manual strobe control.
2) Slave Strobe
(External Auto Slave Strobe Function)
When connected to another (master) strobe, including internal strobes of digital
cameras, the D-180 flashes at the same time as the master strobe.
Using the D-180’s “External Auto” control mode the D-180 itself automatically
adjusts for correct flash output amount and “proper” exposure. It is not necessary to
rely on the camera’s automatic flash adjustment control. Or use the Manual Mode 4
step flash output adjustment for manual strobe control.
3) Advanced Cancel Circuitry
For digital cameras which emit a “pre-flash”, compared to conventional strobes with
simple pre-flash cancel circuits which cause the camera’s internal strobe to emit a full
discharge on the second main flash, the D-180 Advanced Cancel Circuit effectively
reduces the main flash output with the following benefits:
- Conserves the internal strobe’s condenser energy so the internal strobe’s
recycle time is shortened, allowing quicker follow-up shots.
- Reduces energy consumption so more images can be taken per set of
batteries.
4) “Clear Photo System” Compatible
“Clear Photo System” allows the external strobe (D-180) to be more effectively used