SETTING POWER SWITCH--'--"---------------JTo turn on the speedlight unit, use either 8TBY (8TANDBY) orON settings. With Nikon F4 , F-801/N8008, F-501/N2020,F-401s/N4004s, F-301/N2000, FA, FE2, or FG , to conserveenergy, use 8TBY position.STBY (STANDBY) Position···With Nikon F4, F·801/N8008, F·501/N2020,F·401s/N4004s, F·301/N2000, FA, FE2, or FGIn most cases, use 8TBY position to turn on the 8B-24. In 8TBYposition, approx. 80 seconds after the camera 's meter turns off,the 8B-24 turns off to conserve power. To turn the 8B-24 onagain, lightly press the camera's shutter release button or the8B-24's open-flash button.• When using a remote cord with a Nikon FA or FE2 connectedto Nikon Motor Drive MD -12, the camera remains on as longas the MD-12 's power switch is on . (At STBY position SB -24does not turn off.)14Special Standby FunctionIn normal 8tandby function , when the camera 's meter turns off,the 8B-24 also turns off. To reactivate the 8B-24, turn thecamera 's meter on. With the following procedure, however, evenafter the camera's meter turns off, the 8B-24 automaticallyrecharges in approx. one-hour intervals, so it will always beready for long shooting sessions.1_ 8et power switch to OFF to turn off the 8B -24.2. While pressing illuminator button, set power switch to 8TBY.3. Confirm LCD panel display blinks approx. 8 seconds.• The SB -24 can be kept in standby for approx. 20 dayswith AA -type alkaline-manganese batteries or approx .10 days with AMype NiCd batteries.• To cancel this function, set the SB -24 's power switch toOFF.ON Position···With Nikon FA, FE2 or FG:To turn on the 8B-24 when using a mechanical shutter setting(M250 with FA or FE2 , MOO with FG , or B), you cannot use8TBY position : set the power switch to ON .When not using the 8B -2 4, always set power switch toOFF to conserve battery power.