Press the LCD panel illumination button (LIGHT). The LCD panel returns to the normal display.
Charge the flash unit using only the external power source.
Charge the flash unit using the external power source and internal batteries. (The charging time will be shorter than PP1.)
Slide the setting switch up.

■Charging the AF540FGZ with the Optional External Power Source

1Prepare the external power source TR Power Pack-3 in accordance with the instruction in the operating manual.

2Confirm that the power switch of the flash unit and TR Power Pack-3 is turned to OFF. Then, plug the power cord into the external power socket on the flash unit.

3Turn the power switch of the external power source and the power switch of the flash unit to ON. When charging is complete the ready lamp of the flash unit will light up.

When using the external power source, do not remove the batteries from the AF 540 FGZ: otherwise, the flash unit will not function.

●The TR Power Pack-3 is equipped with a pilot lamp which lights up to indicate that the power is activated. Note that a lit lamp does not indicate that the flash unit is ready for use. Make sure the ready lamp on the flash unit is lit before discharging the flash unit.

●When turning off the flash unit, make sure you turn the power switch of the external power source to OFF. Otherwise the external power source may be exhausted.

■Switching the Charging Mode

You can select a charging mode from among the following.PP1:PP2:

1

2 Press the LCD panel illumination button (LIGHT) for 2 seconds or more.SL 1 or SL 2 will be displayed.3 Press the flash mode button (MODE) twice. PP1 or PP2 will be displayed.

4 Press the select button (S) the number of times 5 required to select PP 1 or PP 2.

16