9
Mode Descriptions
Mode 1:
Metrologic Default Mode*
This mode’s main function is to display and transmit and is not suitable for host
prompts. In this mode scanned-in data will be displayed on line 1 of the LCD display
and truncated to 20 characters. The first 20 characters are displayed on line 1, the 2nd
line is cleared with the 21st character and will display the remaining characters entered.
The entire length of the bar code will be transmitted up to and including the 40th
character. *Selectable prefix/suffix options are not displayed on the LCD display. They
are however, transmitted with the bar code.
ScanKey Mode 2:
This mode’s main function is to transmit only. The host system controls the LCD
display. Line 1 of the display is blank, all scanned-in data and keyed-in data are
transmitted to the host system, nothing additional is displayed. This mode is used for
complete host control. It can be used to display customized prompts.
ScanKey Mode 3*:
Line 1 is used for the host prompts. Line 2 is exclusive to the user and will display the
data.
Scanned-in data displayed on line 2 will be truncated to 20 characters. If a host
prompt is being displayed on line 1, it will be cleared to allow for the 21st and
subsequent characters to be displayed. The entire length of the bar code will be
transmitted up to and including the 40th character. *Selectable prefix/suffix options are
not displayed on the LCD display. They are however, transmitted with the bar code.
Mode 4: INTACTIX/INTERCEPT Program
This mode’s main function is that it is to be used with the INTACTIX/INTERCEPT
program. Scanned-in data will be displayed on the line 1 of the LCD display and
truncated to 20 characters. The entire length of the bar code will be transmitted up to
and including the 40th character. When using the keypad, the keys are transmitted to
the host system via a make/break sequence and the key assignment is simultaneously
displayed on the LCD display.
Command Processing Set
The COMMAND PROCESSING SET is a set of predetermined commands to enable
or disable some useful scanner functions. The lists on the following pages represent
these sets and the protocol for using them. All commands for modes 1, 3 and 4 begin
with STX (02H) and end with ETX (03H). All commands for mode 2 begin with ESC
(1BH) and end with DEL (7FH). These commands are sent to the scanner RS232.
Column 1 represents the command sequence, column 2 the parameters used in the
command, and column 3 description of the command.
