4.13 INTRODUCTION
WARNING (HP, IN)
Programming should only be conducted by healthcare professionals with in-depth knowledge of PG Drives Technology
control systems. Incorrect programming could result in an unsafe set-up of a powerchair for a user. Curtiss-Wright accept no
liability for losses of any kind if the programming is inappropriate for the SID type or user.
4.14 GLOBAL – EXTERNAL ON/OFF SWITCH DETECT
WARNING (HP, IN)
For a truly fail-safe system, Curtiss-Wright recommend that an On/Off Switch incorporating a resistor network is fitted.
Curtiss-Wright accept no liability for losses of any kind arising from the use of any other switch.
4.15 USER SWITCH
WARNING (HP, IN)
For a truly fail-safe system, Curtiss-Wright recommend that a User Switch incorporating a resistor network is fitted. Refer to
User Switch Detect for further details. If one of these is unavailable, a normally-closed User Switch should be used. This
ensures that if the switch becomes accidentally disconnected, the powerchair will default to a stop condition. If a normally-
open switch is used, the responsibility for that decision lies with the healthcare professional. Curtiss-Wright accept no
liability for any losses resulting from the use of a normally-open User Switch.
4.16 SWITCH DETECT
WARNING (HP, IN)
Because a disconnected User Switch means there is no emergency-stop function, Curtiss-Wright recommend that Switch
Detect is always set to On. Curtiss-Wright will accept no liability for any losses resulting from any other setting of this
parameter.
4.17 USER SWITCH DETECT
WARNING (HP, IN)
For a truly fail-safe system, Curtiss-Wright recommend that a User Switch incorporating a resistor network is fitted. Curtiss-
Wright accept no liability for losses of any kind arising from the use of any other switch.
4.18 9-WAY SID SWITCH DETECT
WARNING (HP, IN)
For a truly fail-safe system, Curtiss-Wright recommend that switches incorporating a resistor network are fitted to the 9-Way
SID ports. Curtiss-Wright accept no liability for losses of any kind arising from the use of any other switches.
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