M E A S U R E M E N T S Y S T E M S I N T E R N A T I O N A L
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MSI-4300 Porta-Weigh Plus/5 Key
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User Guide
OTHER SETUP FUNCTIONS
FILTER: The filter must be set to “LO” to pass most LFT (Legal for Trade)
jurisdictions. In industrial applications, setting the filter to medium or high can
provide a more stable reading.
AUTO OFF: The AUTO OFF feature when enabled prolongs the battery life
of the scale by turning the power off after 1 hour of scale nonuse. Anytime a
key is depressed (any key), or the detected weight is in motion, the 1 hour limit
is reset. Therefore the scale will stay on indefinitely if the weight is changing or
any key is pressed at least once an hour. This feature defaults to the enabled
mode when initially calibrated. When disabled, the scale will stay on and only
the power key will turn it off.
LIGHTING: The light emitting diode (LED) backlight is normally controlled
by a photocell that detects ambient light and determines if the backlight should
be on or off (AUTOMATIC mode). Should the user desire, the backlight can be
permanently enabled (ON mode) or for increased battery life, permanently
disabled (OFF mode).
REMOTE: Enables or disables the optional IR Remote control. This option
must be installed to function.
SETPOINT: Used to enter low and high setpoint values, mode (disabled,
gross, net/gross) and response (normal, blank display, blink display) of
setpoints. When the weight exceeds a Hi Setpoint value, or falls below a Low
Setpoint value, the scale may respond in a variety of ways. The normal re-
sponse is to turn on an open Drain MOSFET which can be used to drive relays,
lights, sirens etc. (Contact the factory or your MSI distributor for more details).
Other responses include blanking the display (BLANKLCD) or flashing the
weight reading on and off (BLINKLCD). Follow this procedure for entering
Setpoints:
