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Best Practices
As with any ash unit, the useful life of the ashtube and the unit as a whole depends on
the way it is used. Avoiding excessive heat is the key to long life.
• The fast recycling feature of the VSD Series allows a rapid sequence of high-power
ashes. However, this feature should be used sparingly, since continuous rapid ashing
can cause overheating and subsequent damage to the ashtube and possibly the
internal electronics.
• Rapid sequences of ashes should always be followed by a reasonable cooling period,
10 to 20 minutes without ashing, or at a substantially reduced rate.
• Dimming or turning the modeling lamp off will reduce heat generation.
• Avoid rapid high-power ashing when using restrictive reectors such as snoots or
grid reectors, particularly if the unit is pointing downward.
• Do not ash over 12 shots per minute for more than 10 minutes.
• Do not ash over 8 shots per minute for more than 30 minutes.
• Take special care when shooting in a high-temperature environment.
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