⑥
icons for battery .icons as following show the battery at different stage .
，
，
.when the power is low ,it will show
.In each situation ,it will shows
when it
connected to power.
⑦
it shows the printer situation through character.
When printer is not connected to anything ,it show the USB mode.
When connected to USB ,it shows usb has been connected .
When data are sent to printer through USB ,it will show the USB interface is on .
When printer connected through bluetooth and the corresponding port is open ,it will show
bluetooth is on .
When printer connected through both usb and Bluetooth interface ,it will
show usb and blue tooth are connected .
When data is sent to printer through bluetooth ,it will show:Bluetooth are connected.
When data is sent to printer through RF interface ,it will show the RF interface are connected.
When printer goes wrong,it may show being out of paper ,printer head is wrong
，
pressure
is more or less.
When it is in the mode of settings
，
it will show :
is corresponding with button
，
they are used to chose the setting parameters .
is corresponding with button
【
FEED
】
. they are used to chose the setting parameters .
