
3. OPERATION
Modes Of Operation:
The Ap1300 has three operating modes, when not actually printing:
Ÿ"Idle Mode": ready to accept data, but no data are in the buffer awaiting printing, and the
printer motor is not running;
Ÿ“Sleep Mode": effectively switched off and awaiting either a press on the paper feed button,
connection of the external charger, or some external data to exit sleep mode and enter idle mode;
Ÿ"Spooling Mode": active, but storing data for later printing.
The LED is off in sleep mode.
No hardware power switch is fitted. Power control is automatic or by command from the host. To save power,
the printer enters sleep mode after a period of inactivity, factory-set to 30 seconds. It can also be programmed
to stay awake indefinitely or to go to sleep on command.
Idle Mode:
In idle mode, the printer is ready to receive data, which will be printed as soon as complete lines or graphics
patterns are decoded. It responds to the paper feed button in the normal way, and can also produce a
demonstration print (see below). Power consumption is such that a fully-charged battery pack would last over
10 hours, but the printer will normally switch from idle mode into sleep mode when there is no activity, extending
battery life.
Sleep Mode:
In sleep mode, power consumption is negligible, but data stored in the buffer are lost. Special routines allow for
data to be printed out automatically before going to sleep. User programmable settings such as Baud rate and
operational preferences are retained during sleep mode or battery replacement. The system designer can
maximise battery life by arranging that the printer is generally in sleep mode, except when printing.
The printer enters sleep mode as follows:
ŸBy command from the host.
ŸAt the end of the (programmable) period of inactivity. (This period is extended in spooling mode).
But, the Ap1300 will never enter sleep mode when:
ŸA charger is connected.
ŸData is being received.
ŸThe RS-232 "Wake-up" control line is 'active'.
ŸAn IrDA connection is present ( "Ap1300-IR" only )
The printer may be woken up from sleep mode as follows:
ŸBy pressing the paper feed button.
ŸBy connecting the external battery charger.
ŸBy RS-232 data from the host (typically a string of 50 NUL characters).
ŸBy the RS-232 "Wake-up" control line becomes 'active'.
ŸBy Infra-Red activity ( "Ap1300-IR" only).
Spooling Mode
In spooling mode, data is received and stored, but not printed. This is useful when printing needs to be
suppressed during data transfer (for example in mobile radio systems); or when the printer is unable to print
because the paper has run out or the lid is open.
The Ap1300 will automatically enter spooling mode when the paper is out, when the head is up, or if some other
error condition occurs, or alternatively by command from the host. Spooling mode may be cleared by host
command, automatically when the condition is cleared, or by "double-clicking" the feed button.
Continuous Operation
Please see the Ap1300 User Manual for the charger specification. Available at www.able-systems.com