Appendix C: Scanner Settings
Options
C-5
Psion Omnii Hand-Held Computer User Manual
C.2.1
Options
Dot Time (msec)
The value selected for Dot Time (msec) determines (in milliseconds) how long the targeting dot remains on
before the scanner switches to a normal scan sweep. When you double-tap on this parameter, a dialog box
is displayed in which you can enter a value of
0 msec
,
200 msec
or
400 msec
. A value of
0
(zero) disables
the target dot.
Laser On Time
The value assigned to this parameter determines how long the laser will remain on when the scan button or
trigger is pressed.
Double-tapping on this parameter displays a dialog box in which you can enter a value between
5
and
99.
The value is measured in tenths of seconds.
C.2.2
Decoded (Internal) Advanced Options
Scan Mode
You can set the method of scanning by setting this parameter to
Scan beam only
,
Aim with Scan: 1 trigger
pull
,
Aim with Scan: 2 trigger pulls
,
Aim with Scan on trigger release
, and
Continuous Scan Mode
. Default is
Scan beam only
.
Aim Duration
This parameter determines the total time the aiming pattern appears before the scanner laser begins
sweeping. When you double-tap on this parameter, a dialog box is displayed in which you can enter a value
from
0
to
30
(0 to 3 sec.). A value of
0
(zero) disables the aiming-dot.
Minimum Cancel Time
The value assigned to this parameter determines the time delay before the scanner is turned off, once the
scanner trigger or button is released. This gives the scanner a minimum amount of time to complete its
current decode before the scan is cancelled when you quickly trigger on/off.
Power Mode
This parameter is a power-saving option. Tapping on it displays a screen listing two power mode options:
Continuous Power
and
Low Power
.
In
Continuous Power
mode, the scanner is always on, waiting for a trigger pull or serial communication.
In
Low Power
mode, the scanner is in a suspend state, drawing minimal power until a trigger pull or serial
communication wakes it. Keep in mind that while this option is more suitable for battery powered applica-
tions, there will be a slight delay while the scanner powers up to scan a barcode.
Low Power Timeout
To extend laser life, you can select the time the scanner remains active following a successful decode. The
scanner wakes from low power mode when a barcode is scanned—a successful decode restores normal
flashing.
This is only used if the unit’s
Trigger Mode
has been changed to
Continuous On
. If the unit is used in a fixed
mount this parameter might be used, but not if the unit is used as a hand-held.
When you double-tap on this parameter, a dialog box is displayed in which you can choose a value of
30
sec
.,
1 min
.,
2 min
. or
3 min
.
Parameter Scanning
Setting this parameter to
on
enables decoding of parameter barcodes.
Note: Some options are available only for specific scanners. Refer to the option names in this sec-
tion for scanner model identification.
Note: This parameter is only used if the Trigger Mode has been set to Continuous On and the Omnii
is mounted in a fixed position; otherwise, ‘Low Power Timeout’ is not used.
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