NCR 74 OFX (7874), User Manual

Page: 127 / 268

Chapter 5: Programming 5-19
Note:
Two programming tags must be scanned to enable this parameter: Hex E
followed by Hex 0 .
RS232
RS232 is used to connect the RealScan 74 to almost any RS232 type of communications
device. This protocol uses 7 ‐ bit ASCII by default to send tag data to the device.
Good Read Tone
Tone On/Off
A
Off
0
On
Tone
Frequency
(Hertz)
Tone
Volume
Tone
Length
(Milliseconds)
Not-On-File
Tone Volume
When entering Tone Frequency, the adjustment can be
incremented upward by scanning the
Hex B tag. Each time
you scan the
Hex B
, the tone frequency increases one unit.
Scan the End tag or a valid Hex tag to end this mode.
When entering Tone Length, the adjustment can be
incremented upward by scanning the
Hex C tag. Each time
you scan the
Hex C
tag, the tone length increases one unit.
Scan the End tag or a valid Hex tag to end this mode.
When entering Tone Volume, the adjustment can be
incremented upward by scanning the
Hex D tag. Each time
you scan the Hex D tag, the tone length increases one unit.
Scan the
End
tag or a valid Hex tag to end this mode.
When entering Not-On-File Tone Volume, the adjustment can be
incremented upward by scanning the
Hex E
tag. Each time you scan
the Hex E tag, the tone length increases one unit.
Scan the
End
tag or a valid Hex tag to end this mode.
B
C
D
C
D
E E
1
B
22761
Your Program
Good Read Tone
1 1
Protocol
The Good Read Tone programming mode selects the parameters for sounding a tone
each time the RealScan 74 successfully reads a bar code. It also controls the volume of
the Not ‐ On ‐ File tone. This mode contains five shortcuts: A, B, C, D, and E. After
entering this programming mode, proceed directly to a specific parameter by
scanning the appropriate shortcut Hex tag. This eliminates the need to enter all
parameters when only one needs changing. Refer to the “Parameter Defaults” section
earlier in this chapter for the factory defined default value of each programming
parameter.