Cpu Operation - Acroprint ATR120 Service Manual

8-5 CPU operation

The following table shows the operation modes and functions:
Mode
Normal operation..
Operation All functions are
valid.
AC power
supply
Printing battery Operable/dead
Back
light(LED)
Battery
No display
indicator
Active mode
CPU status
Watch mode
A
Power failure mode where
printing is possible
operation as in A mode.
ON
Operable(guarantees
mechanism operation)
Yes
Full to half
Active mode
↕
Watch mode
B
Power failure mode. Time
Same is updated. Data is saved in
the memory.
OFF
Operable(does not
guarantees mechanism
NO
Should be replace. (flashes)
↕
C
Power failure mode. Time
is updated. Data is saved in
the memory.
OFF
Dead. Or, operable but
supplies voltage below the
operation)
NO
Active mode
↕
Watch mode
D
OFF
rated value.
NO
NO
Watch mode