Max Machinery 121 INDICATOR - Manual (Page 15)

Unit Operation
121-000-350 © 2001 Max Machinery, Inc. Pg 15
5. UNIT OPERATION
5.1 Front Panel Operation Concept for Run Mode
The 121 Series is fully programmable through the front panel. Please review the following usage summary before
attempting to use the instrument.
HELP
On-line help is provided to assist the operator in using this product. The help is available during RUN and SETUP
modes simply by pressing the HELP key. The HELP key is used to enter decimals when entering numeric values.
FUNCTION KEYS
In the RUN mode, several keys have a special, direct access feature, to display an item of interest (i.e. RATE,
TOTAL, PRESET 1, etc.). Press the key to view your choice. Press the SCROLL key to return to scrolling display.
CLEARING TOTALIZER
To clear the total, you must press the TOTAL Function Key 3 times. You will be asked to verify this action. The
operator will be prompted to enter password if the unit is locked. NOTE: In the Batcher Mode, simply press the
CLEAR key to reset the total (the batcher must be stopped or finished batching). It is not necessary to press the
TOTAL Function Key first.
CLEARING GRAND TOTAL
To clear the grand total, you must press the GRAND Function Key 3 times. You will be asked to verify this action.
The supervisor will be prompted to enter the supervisor password if the unit is locked.
PRESET KEYS
In the RUN mode, PRESET 1 & PRESET 2 keys are used to view and/or change the preset setpoints. To view the
Presets,simply press the desired Preset key. Rapidly press the Preset keys 3 times, then press the Clear key for direct
editing of the preset setpoints.
SCROLL
Rapidly press the Scroll key twice to setup a display list. Press the CLEAR key to remove old scroll list. Press the
function key for the item you wish to add Use the arrow keys to assign the line.
PRINT
The PRINT key is used to print on demand. When the PRINT key is pressed, a user defined list of data (TOTAL,
RATE, PRESET 1, etc.) is sent to the RS-232 port. A timed message of "PRINTING" will be displayed to
acknowledge the print request.
SPECIAL BATCHING KEYS
The START and STOP keys are used only when batching to start and stop batches. The CLEAR key will clear the
total without first pressing the TOTAL key (unit must be stopped). All other keys work the same in both Rate/Total
mode and Batch mode. The Start and Stop keys operation are set by the control input settings. The Start options are:
START or RESET/START. The Stop options are: STOP or STOP/RESET.
MENU KEY
The MENU key is used to enter the Setup and Test modes. Press the MENU key to enter the Setup and Test modes.
(See section 6 for Setup mode, section 8 for Test mode). The MENU key is used as "escape" in Setup and Test
Programming. Pressing the MENU key while programming in the Sub-Menu groups will backup the display to that
Sub-Menu group heading. Pressing the MENU key while viewing the Sub-Menu groups will backup the display to
the Top Level Menu.
ACKNOWLEDGING ALARMS
Most alarm messages are self-clearing. Press the ENTER key to acknowledge and clear alarms.
NOTE: Some keys and functions are password protected. Enter the password to gain access. The passwords are
factory set as follows:
Operator = 0
Supervisor = 2000