Sony PHU-220R Operating Instructions Manual page 25

Status indication
ACCESS POWER
Flash Flash
(1 second (1 second
interval) interval)
Lit Lit
Status of this unit, and what to do about errors
and warnings
BATTERY
Flash A change in the MODE SELECT switch setting
(1 second has been detected. Perform the mode switching
interval) operation (see page 14).
If you accidentally changed the MODE SELECT
switch, leave the unit alone for about 30 seconds
and wait for the unit to turn off. After the unit turns
off, return the MODE SELECT switch to its
original setting.
Lit Mode switching operation is in progress.
Specifications 25