PG D
RIVES
T
ECHNOLOGY
O
MNI
– S
TANDARD
- P
ROGRAMMING
SK78813/5
2 Details of all Omni Programmable Parameters
The following sections explain the effect of all the Omni programmable
parameters.
2.1 Global – Sip and Puff
2.1.1 Puff Threshold
This sets the threshold point between soft and hard puffs.
The programmable range is between the value of Deadband and 100 in steps
of 1.
2.1.2 Sip Threshold
This sets the threshold point between soft and hard sips.
The programmable range is between the value of Deadband and 100 in steps
of 1.
2.1.3 Deadband
This sets the size of the sip / puff’s neutral area. In other words, how much
pressure the user must apply with either a sip or a puff before the brakes of the
powerchair are released and drive commences.
The programmable range is between 5 and 50 in steps of 1.
2.1.4 Puff Ramp Up
This sets the time allowed to ramp up to a hard puff from zero pressure.
Whenever a hard puff is attempted, there is a period of time when the
pneumatic pressure is below the Puff Threshold. This could be falsely interpreted
by the Omni as a soft puff command. Different users will have differing abilities
in terms of how quickly they can generate sufficient pressure to pass this
threshold. Puff Ramp Up allows the user more time to reach the Puff Threshold. If
this threshold is not reached within the Puff Ramp Up time, a soft puff will be
interpreted, provided the pressure is above the value set for Deadband.
The programmable range is between 0ms and 2000ms in steps of 50ms.
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