1 — OVERVIEW
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Return to TOC Curtis Model 3401T – August 2022
Programming
e 3401T can be used to program Curtis devices. You can read and write parameters for the 3401T
and for other Curtis devices that are on the CANbus or connected through the serial port. For more
information, see View and Edit Parameters.
LCD Heater
Some models include an LCD heater for cold temperatures. e LCD heater extends the minimum
operating temperature from −20°C to −40°C.
e model number indicates whether a 3401T model has an LCD heater. See the Model Encodement
section in the Specications appendix.
Miscellaneous Features
e following list describes other major features:
• Designed to meet regulatory requirements. For details, see the Specications appendix.
• Multilingual support.
• CANopen, J1939 and an adjustable baud rate.
• Password protection for the following functions:
– Power on. A power-on password can optionally be specied. e power-on password is
entered with either the 3401T’s buttons or the Curtis Electronic Code Switch (ECS).
– Programming parameters for the 3401T and for other Curtis devices. ere are dierent
passwords for the OEM and User access levels.
– Resetting the hour meters.
• e following optional features are available with customized models only:
– A buzzer alarm that can be congured to activate when gauge elements, statuses or internal
calculations reach specied values.
– A 3-axis accelerometer that senses the vehicle’s inclination and orientation and calculates its
acceleration. e accelerometer measures at least 10G on all three axes.
– A real-time clock that keeps track of time even if power is removed from the unit. e time
is displayed in either the 12-hour or 24-hour format.
To discuss customized models, contact your Curtis distributor or the Curtis sales and support oce
in your region.
Note: For more information on the 3401T’s features, see the data sheet on the Curtis Instruments
CAN & Serial Instrumentation page at https://www.curtisinstruments.com/products/can-serial-
instrumentation-programmable.