Gram GRAM Z3 Bedienungsanleitung
1
EN
USER MANUAL
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Index
1. On / Off ..................................................................................................... 3
2. Initial reset to zero .................................................................................... 3
3. Keypad operation ...................................................................................... 4
3.1. ON / OFF ............................................................................................ 4
3.2. MENU ................................................................................................ 4
3.3. TARE .................................................................................................. 5
3.4. PRINT / SUM ...................................................................................... 6
4. Description of LCD display ........................................................................ 8
5. Operation options and settings menu .................................................... 10
6. Auto-off option ....................................................................................... 12
7. Operation of the backlight ...................................................................... 12
8. Sound when pressing a key ..................................................................... 13
9. Tare Options ............................................................................................ 13
10. Hold mode ............................................................................................... 13
11. Keypad lock ............................................................................................. 14
12. Serial port RS-232 .................................................................................... 15
12.1. Serial port RS-232: PR4/PR6 printer ............................................... 16
12.2. Serial port RS-232: Frame format PC0 ............................................ 17
12.3. Serial port RS-232: USB frame format ............................................ 19
12.4. Serial port RS-232: RD3 frame format ............................................ 20
12.5. Serial port RS-232: Communication protocol ................................. 20
13. Ticket Menu ............................................................................................ 21
14. Scale configuration menu ....................................................................... 22
14.1. Settings menu ................................................................................. 23
14.2. Scale adjustment ............................................................................. 23
14.3 Table of geographical adjustment values ....................................... 25
15. Digital filter .............................................................................................. 26
16. Movement filter ...................................................................................... 26
17 Value to be displayed in the indicator .................................................... 26
18 Characteristics of the Z3 indicator .......................................................... 27
19 Load cell connections .............................................................................. 28
19.1 Option 1: Indicator with direct cable connection ........................... 28
19.2 Option 2: indicator with cell connector .......................................... 29
20 Error messages ........................................................................................ 30
21 Notes ....................................................................................................... 31
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1. On / Off
Press and hold the key for 2 seconds.
All segments and symbols switch on for a second on the LCD display to verify
that they are functioning properly.
Below we show the version code for the device’s firmware.
To switch off the device, press and hold the key for 2 seconds.
An Off message will appear to warn that the device will be switched off
when the key is released.
2. Initial reset to zero
If the InI-0 option in the operating options menu is activated, when
switching on the device it will automatically reset to zero and will be
indicated on the display with the message -0-.
Automatically resetting to zero at the start requires the scale to remain stable
for at least 5 seconds. For as long as the scale is moving, the -0- indication
will be maintained for a maximum of 5 seconds.
If the weight on the load receptor is higher than 20% of the scale’s maximum
capacity, the error message Err 0 will be displayed, followed by the weight
on the scale.
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3. Keypad operation
3.1. ON / OFF
If the key is held down for more than 2 seconds, it acts as an on/off
switch.
A “short” pulse performs the “CLEAR” function: clears the tare,
cancels the “hold” mode and resets the total accumulated weight.
In “menu” mode it performs the “ESC” function: returns to the menu’s
previous level without making any change. If it is in the main menu, it exits
the menu mode and returns to normal operating mode (weight mode).
3.2. MENU
Holding it down for more than 2 seconds gives us access to the
operation options and settings menu.
When the tare function is activated, the display switches from net
weight to gross weight every time the button is pressed. While net
weight is displayed, the “NET” indication will appear on the LCD display.
A double click activates / deactivates “HOLD” mode.
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3.3. TARE
A short pulse activates the tare function.
This may be “Normal tare” or “Preset tare” depending on the
operating mode selected in the options menu.
Preset tare. The tare stays in the memory after emptying the platform.
The >T< indication on the display stays constant, non-flashing. When the
platform is emptied, the display shows the tare value with a negative
sign. To undo the tare, press the tare button again with an empty
platform.
Normal tare. The tare is automatically deactivated when the platform is
emptied. The >T< indicator is switched on intermittently in the LCD
display.
When double clicking on this key, the tare mode alternates from “preset
tare” to “normal tare”. The default operating mode for tare is “preset tare”,
although this value can be changed in the options menu.
If the reading is less than 5 divisions, the display will automatically set to zero
instead of a tare.
If there is a preset tare in the memory and the platform is empty, pressing
this button deactivates the tare.
The tare function only operates if the weight is stable. If the stability indicator
is switched off, pressing this key has no effect.
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3.4. PRINT / SUM
Print and sum key.
When pressing this key, a ticket is printed with the weight shown
on the LCD display. The ticket shows print date and time, the
ticket’s serial number, gross weight, tare and net weight.
Additionally you can print a 3-line header and a footer line with constant
information.
The print key has no effect while the stability indicator is switched off.
This gross/tare/net ticket is only possible provided no ticket with
accumulated total has been initiated, which has a different format.
To initiate a ticket with accumulated total, enter the first object to be
included in the ticket and double click on the print key. The weight shown on
the display is printed and added to the accumulated total.
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Double click the print key again to add and print each one of the next
weighings.
At the end of each detail sum, the total accumulated sum appears in the
display.
To complete the ticket and print the total line, hold down the print key for
more than 2 seconds.
To show the total sum, press at the same time and keys (a short
pulse, not a sustained pulse). The total accumulated sum will appear in the
display for 2 seconds.
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4. Description of LCD display
1
Displays the weight on the scale platform.
In HOLD mode, the display flashes to indicate that the
real weight on the scale is not being shown, with the last
registered stable weight being shown instead.
2
Decimal point.
3
Unit of measurement in which the weight is indicated.
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Stable weight reading: There is a weight on the platform
that is not fluctuating.
Flashes to indicate that there is movement on the scale.
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Indicates net weight.
The net weight is the real weight on the scale minus the
tare.
It is only displayed if a tare has been used.
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6
Negative sign.
This reading may be negative if a tare is activated (in
preset tare mode) or to indicate a problem when setting
it to zero.
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Tare activated.
The reading flashes when “normal” tare mode has been
activated.
A “preset” tare is retained even after the weight is
removed from the scale platform.
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Battery-operated. Not connected to the mains.
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If the zero reading is activated in the operating settings
menu, the first digit in the indicator displays this figure to
indicate that the scale is set to zero and the zero tracking
device is operating.
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If the zero reading is activated, the first digit of the
indicator displays this figure to indicate that the scale is
set to zero but the zero tracking device is deactivated.
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5. Operation options and settings menu
To access the settings menu, keep the key pressed down for 2 seconds.
The display shows the NEnu message for ½ second to indicate that from
then on the indicator will start showing the different selection options. In the
“menu” mode, the device’s pushbuttons adopt the function of navigation
keys. These functions are indicated in the top part of each pushbutton: ESC,
, ,
Returns to the menu’s previous level without making any change.
When in the main menu, exit the menu mode and return to normal
operation mode (weight mode).
Moves to the next menu option in the “left” direction or changes
between the different values. It is possible to assign to a particular
option.
Moves to the next level of the options menu or shows the current
value of an option. When changing the selected value for an option
(using the and keys), pressing this key will validate the
change. In “edition” mode (manual input of a parameter value),
one short click moves you to the next digit on the display. A long
hold or a double click validates the entered value.
Moves to the next menu option in the “right” direction or changes
between the different values. It is possible to assign to a particular
option.
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