Ricoh GF-1 Manual De Instrucciones página 7

b PILOT lamp / Test flash button
c ON/OFF button
d Mode select button
(NORMAL → SLAVE1 → SLAVE2)
e Flash power level indication lamps (6 LEDs)
f Flash power level select button
TTL-A → F2.8 → 4 → 5.6 → 1/4 → FULL →
* In manual flash output adjustment mode, the two rightmost
flash power level indication lamps (1/4 and FULL) will light up.
(Only when using Type R cameras)
AUTO
EN - 
Flash stand
MANUAL
Manual flash
output adjustment