'I In the Speed/ight's LCD readout, 00 and r-lappear for 3D Multi-Sensor Balanced Fill-FlashlMulti-Sensor Balanced Fill-Flash, or 00 and 113\ appear for Center- Weighted/Spot Fill-Flash.
By pressing the Speedlight's Mbutton(or MODE button with the SB-28), you can cancel Automatic Balanced Fill-Flash control to perform Standard TTL Flash operation, For Standard TTL Flash, the Speedlight's LCD panel shows 00 without r-l~,For details, see instruction manual of SB-28/SB-27/SB-26/SB-25,
'2 In the Speedlight's LCD readout, 00 and 113\ appears for Multi-Sensor Balanced Fill-Flash or Center- Weighted/Spot Fill-Flash,
By pressing the Speedlight's M button, you can cancel Automatic Balanced Fill-Flash control to perform Standard TTL Flash operation, For Standard TTL Flash, the Speed/ight's LCD panel shows 00 without 113\ , For details, see SB-24's instruction manual
'3 Although possible with SB-21 B, Automatic Balanced Fill-Flash is not recommended, '4 Via TTL Remote Cord SC-23