Speedlight parts, their functions, and accessories228 Using CordsThe SU-800 is connected to the SB-R200using cords when mounted on camerasnot compatible with CLS. This indicatorblinks if the SB-R200 is not correctlyconnected.9 Flash Output Level CompensationValue (Groups A, B)Indicates the flash output levelcompensation for groups A and B in theTTL mode.0 Manual ModeThe flash always fires at a specifiedoutput in combination with the apertureand light output level (guide number).Displays when blinkingIndicate that these items can be adjusted orchanged. Stop after blinking six times unless anadjustment is made.• Icons blinking also indicate warning and errors.• When the [ON/OFF] + [MODE] buttons are simultaneously pressed (two-button reset) forapprox. 2 sec., the display blinks three times (p. 19). Using the SU-800 in low lightPress any button on the SU-800 to turn the illuminator on (when the SU-800’spower is on), and it will remain lit for about 16 seconds.• The SU-800’s control button illuminator comes on when the camera’s LCD panelilluminator is turned on.• The control button illuminator goes out when the shutter is released. Characteristics of the LCD panel• Due to the directional characteristics of LCDs, the LCD display is difficult to read whenviewed from above. However, the display can be seen clearly from a somewhat lowerangle.• The LCD display becomes darker at high temperatures (approx. 60°C/140°F), but returnsto normal at normal temperatures (20°C/68°F).• The LCD’s response time slows down at low temperatures (approx. 5°C/41°F and below),but returns to normal at normal temperatures (20°C/68°F).