Canon Knowledge Base

Filters

Search Results

QuickGuide to Canon 320EX Speedlite Features

... /64th power by using the ... Use a hand-held flash meter or trial-and error to determine the correct aperture for a given flash-to subject distance. Once set, the exposure will remain the same as long as the distance and flash power level remain the same. ... 2. Set the 320EX as the receiver unit by moving the power switch to <SLAVE>. ... 2. Set the 320EX power switch to <ON> ... 2. Set the 320EX power switch to <SLAVE>.

How to turn the 320EX Speedlite on and off.

Set the power switch to <ON>

Here is a basic wireless flash setup for the 320EX Speedlite

If the 420EX receiver unit is not used for about 10 minutes, the SE mode will take effect (indicated by a blinking channel No.) automatically to turn off the power . Pressing the sender unit's test firing button within 30 minutes after the SE mode starts will turn the receiver unit back on.

QuickGuide to Canon Integrated Speedlite Transmitter Operation

Ratio control between built-in flash and off-camera Speedlites Choose this option if you want the built-in flash to fire at one level of E-TTL power and the combined receiver unit(s) to fire at another. Note: Because the built-in flash is smaller and less powerful than an external Speedlite, the camera will not allow you to set ratios that would require the built-in flash to overpower the receiver units.