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SIGNAL ON/OFF
Pressing the SIGNAL ON/OFF key when the keypad is unlocked
changes the On/Off status of the programmed schedule. When
the status is ON, bells or controls will operate based on the
schedule. When the status is OFF, the schedule is ignored and
only the manual key will operate the bells or controls. The
current On/Off status of controls will remain active until MANUAL
is pressed or the schedule reactivated. Press RUN to return to
the normal display. When the schedule is inactive, SCHEDULE
OFF will be shown below the time on the display.
MANUAL OPERATION
Pressing the MANUAL key when the unit is being used as a Bell
Ringer will cause the bells to signal for the length of time the key
is pressed. This provides a means of operating the bells at
unscheduled times. Pressing MANUAL while lunch or break is
counting down will operate the bells and cause the remaining
lunch or break time to be canceled.
Pressing the MANUAL key when the unit is operating as on
On/Off Controller will toggle the current On/Off status of the
controls.
The MANUAL key will not ring bells if the unit is operating on
standby power.
STANDBY POWER
During AC power failures, the DWA-S switches to a quartz
crystal time base to maintain the time keeping ability of the unit.
A 6 volt battery allows the unit to continue operation and retain
the programmed schedule for 10 days. An * on the lower line of
the display indicates operation on Standby Power.
Programming, schedule review, and manual toggling of the
On/Off control status are available when operating on battery
back up. If operating as a Bell Ringer, the MANUAL, START
LUNCH, and START BREAK keys, and the remote START
LUNCH and START BREAK switches are inactive during AC
power failures. Schedule operation is also inactive when
operating as a Bell Ringer.