
The ZERO button also doubles as the start button to turn on the scale when the battery
option is installed. Press and release to start, press and hold to reset the power-off timer
or to shut the unit off.
TARE OPERATION
The TARE push-button is always active. TARE operates only on positive gross weight,
since by definition only a positive weight can be a tare weight. If an attempt is made to
enter a negative gross weight as a tare, the 4200 will display an error message "tar -" to
warn you that it cannot be entered.
There are 3 modes of operation for TARE that are menu selectable via the "Tare Entry
Mode (tAr)" parameter:
SET MODE
When TARE is pressed in the "SEt" mode, the current tare weight is displayed and
the "ACCEPT" indicator flashes to indicate that a tare weight is displayed, rather
than an actual scale weight. You can press TARE in this mode to simply recall the
current tare value. If you don't want to change the tare value, simply press TARE
again to return to the weighing mode - the "ACCEPT" indicator will then stop
flashing. Or, you may simply wait 6 seconds and the scale will automatically return
to the weigh mode.
If you want to change the current tare value, first recall it by pressing TARE, then
adjust the displayed value using the UP and DOWN arrows. Press and hold the
arrow keys for rapid update - press the arrow keys repeatedly for slow update.
When the correct value is displayed, press TARE again to store it as the new tare
value - the 4200 will display "Ent Pr" to indicate that the new value has been
accepted. If you don't get this message the old tare value is still in memory! After a
new tare is entered, press TARE to recall it as a double check - then press TARE
again to go back to the weigh mode.
Any tare value can be recalled or reset in either the GROSS or NET modes. The
4200 has 20 tare memories (200 if option 42 OPT 27 is installed). See the heading
marked "PRODUCTS" elsewhere in this section for further information.
PTT MODE
The "P.t.t." (press-to-tare) mode is the auto-tare mode. In this mode, the TARE
button when pressed will tare out any positive gross weight on the scale. The scale
may be in the gross or net modes to enter a new tare value. A new tare can be
entered at any time by placing the container or object to be tared on the scale and
pressing TARE momentarily. The tare values for each of the products can be
entered this way.
Section 4 Scale Operation
13