Avery Weigh-Tronix PC-805, Service Manual

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9
Figure 3 shows the Diagnostic menu.
Diagnostic Menu
Access the diagnostic menu by following the instructions in the section
Accessing Menus and Modes. Below are explanations for each of the items
in this menu. With the test name displayed, press the ZERO key to perform
the test.
BAttERY Battery
Choose this to display the current battery voltage. Battery
voltage will usually read from 11 to 13 volts. The Lo Bat annun-
ciator will show up when voltage drops to 11.5 volts. The scale
will shut off when voltage is 10 volts. While recharging, this
display will show 13-14.5 volts and if AC powered the display will
show approximately 14.5 volts.
C CRYSt Compression Crystal
Choose this to display the raw digital counts from the compres-
sion crystal in the load cell. A typical count with no load on the
scale is approximately 2.08 million. This number should in-
crease as weight is applied to the scale. Press the ZERO key to
end the test.
t CRYSt Tension Crystal
Choose this to display the raw digital counts from the tension
crystal in the load cell. A typical count with no load on the scale
is approximately 2.08 million. This number should decrease as
weight is applied to the scale. Press the ZERO key to end the
test.
Figure 3
Diagnostic menu
A PC-805 with the backlight
enabled and a fully charged
battery may be expected to last
12 hours before recharging is
necessary. With the backlight
disabled the battery will last
approximately 24 hours.
shows voltage shows raw
digital count
compression
crystal count tension
crystal
count
performs
a serial
loopback
test
shows model #,
software
revision level
and performs a
display segment
test
shows high
resolution with
AZT on
Lets you
check key
function
shows high
resolution w/o
AZT
To move , press the key.
To move , press the key.
To move , and to choose an option, press the key.
Press key to go up one menu level.
SAMPLE
TARE
ZERO
COUNT/WEIGHT
For version ? of the Quartzell
loadcell the counts should be
approximately 2.08 million for
the tension and compression.