Symbol PDT 6842, Manual

Page: 17 / 144

15
Q u i c k R e f e r e n c e
Low Battery
message. (contin-
ued) The main battery pack
is running low. (contin-
ued) Lithium Ion battery - Re-
move the battery from the
68XX and charge in a
UBC 2000 adapter.
OR
Power the 68XX off and
replace the battery.
Battery is dead. Battery not replaced
after receiving Low
Battery message. Replace the battery.
Cannot see charac-
ters on display. 68XX not powered on. Press the
PWR
key.
Battery pack is missing
or dead. Replace or recharge the
battery pack.
Contrast not adjusted
properly. Refer to page 7 for the
key sequence.
Scanner does not
decode a bar code. The bar code is
unreadable. Verify that the bar code is
not defective, e.g.,
smudged or dirty.
Scan window is dirty. Clean scan window with
lens tissues for use with
eyeglasses. Do NOT use
tissues with lotion.
Double Key error
message displays. Two or more keys were
pressed at the same
time. Press keys in sequence.
68XX does not re-
spond when keys
are pressed. Application was not
successfully download-
ed. Ask System Administra-
tor to repeat application
download.
Symptom Possible Cause Action