Digi-Star EZ 320 - Manual (Page 5)

MODEL 320 - System Operation:
3
To Enter a Preset: The three display modes are:
A "preset" is a weight amount that can be "GROSS MODE"
set in the scale. The scale will activate The gross weight is displayed by pressing the
alarms once that weight amount has been [NET/GROSS] key. As ingredients are loaded,
either removed or added. the weight display counts upward toward the
Step 1) Use the numeric keypad to enter the weight display counts down to the preset
desired preset weight value. value.
Step 2) Press either [NET/GROSS] or "LOAD/UNLOAD MODE"
[LOAD/UNLOAD] to enter the preset value Press the [LOAD/UNLOAD] key to display
and select the "display mode". the amount remaining to be loaded or
The 'PRESET' annunciator outer triangle will unloaded, the display counts down from the
turn ON when the preset amount is entered. entered preset weight until it reaches zero.
Once the preset has been entered, the display
shows the weight data in one of three (3)
different "display modes".
preset value. As ingredients are unloaded the
unloaded. As ingredients are loaded OR
"NET MODE"
The weight added since the preset has been
entered is displayed by pressing the
[NET/GROSS] key two (2) times if in the
LOAD/UNLOAD mode, one (1) time if in the
GROSS mode. As ingredients are loaded, the
weight display counts upward, as they are
unloaded the weight display counts down.
Switching between these display modes is
possible at any time by simply pushing the
appropriate keys.
Before the preset weight is reached, the pre-
alarm is activated. This causes the preset
display annunciator, the front panel alarm
light, the output relay, and the alarm horn all
to pulse in sequence with the alarm light. Set
the pre-alarm value to "0" to prevent the alarm
output from pulsing.
When the preset weight is reached, the front
panel alarm light, the output relay, the
'PRESET' annunciator, and the alarm horn will
all be held ON.