User guide

Configuration 2
Advanced User Guide 55
Sample tray (7683 ALS)
This section applies to the 7683 ALS system. To configure the
7693A sampler system, see the 7693A Installation, Operation,
and Maintenance manual.
1 Press [Config][Sample Tray].
2 If the vial gripper is touching vials either too high or too low
for reliable pickup, scroll to Grip offset and press [Mode/Type]
to select:
• Up to increase the gripper arm pickup height
• Default
• Down to decrease the gripper arm pickup height
3 Scroll to Bar Code Reader.
4 Press [On/Yes] or [Off/No] to control the following bar code
setpoints:
• Enable 3 of 9—encodes both letters and numbers, plus a few
punctuation marks, and message length can be varied to
suit both the amount of data to be encoded and the space
available
• Enable 2 of 5—restricted to numbers but does allow variable
message length
• Enable UPC code—restricted to numbers- only with fixed
message length
• Enable checksum—verifies that the checksum in the
message matches the checksum calculated from the
message characters, but does not include the checksum
character in the returned message
5 Enter 3 as the BCR Position when the reader is installed in the
front of the tray. Positions 1–19 are available.