180 Operation Manual
10 Configuration
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.