BUS//SIGN_CTL

unauthorized access to public transit display systems
last_tx // addr 0x07 // 4800 baud // front
live preview (pre-transmit)
front_text · 0x07
front_img · 0x07
back_text · 0x0B
font_id (mobitec D4)
funny_stuff
fit_mode
transparent_as
invert_output
128
funny_stuff
// back matrix · addr 0x0B · 30 cols × 16 rows · text only · ~3 chars at 16 px font
font_id (back-supported only)

active_payload

// no signal
MOBIHACK
POLIZEI
transmitting illegal payload...