I'm not familiar with the 110 series meters, however all flukes I've used have different power-on features when holding each of the buttons during power on, and sometimes a different function or display at each range on the selection dial. These are usually recorded somewhere, in the manual or sometimes even on the back of the meter itself.
Functions like disabling auto power-off, auto backlight-off, no beeps, LPF enable/disable, version check, etc
Flashing backlight sounds a bit odd.