Model 7821 Bench Scale User’s Manual
10
Diagnostics Mode
Scale lb/kg
Capacity and
Count-by Choices
Table 3:
Scale lb/kg Capacity and Count-by Choices
Capacity (lb)
Capacity (kg)
150 - 1
150 x .05
60 x .02
150 - 2
150 x .05
70 x .02
150 - 3
150 x .05
75 x .02
150 - 4
150 x .02
75 x .01
200
200 x .05
100 x .02
The Diagnostic (DIAG) Mode menu lets you test
specific areas of the scale’s function. These
areas are:
Display (DISP)
– Shows the version and
revision of the software, followed by a display
segment test.
RAM (RA)
– Performs a nondestructive test
of RAM in the processor. Displays
PASS
or
FAIL
.
ROM (RO)
– Performs a checksum of all
locations of ROM in the processor. Displays
PASS
or
FAIL
.
Input/Output (I/O)
– Data is output by the scale,
and through the use of a loopback connector, the
data is immediately read back into the receive
channel and verified against what was sent.
PASS
or
FAIL
is displayed. Requires a jumper
(short) between transmit and receive data lines.
Division, Test w/AZT (HRESA)
– Weight data is
normalized to 100,000 counts of displayed
resolution. AZT is enabled. Typically used by
service technicians.
Division, Test w/o AZT (HRESN)
– Weight data
is normalized to 100,000 counts of displayed
resolution. AZT is disabled. Typically used by
service technicians.
Summary of Contents for 7821
Page 1: ...User s Manual Model 7821 Bench Scale...
Page 8: ...Model 7821 Bench Scale User s Manual 8 Figure 2 Menu Structure...
Page 24: ...Model 7821 Bench Scale User s Manual 24 Notes...
Page 25: ...Model 7821 Bench Scale User s Manual 25 Notes...
Page 26: ...Model 7821 Bench Scale User s Manual 26...