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38
Curtis enAble
®
40-Series Manual, Rev. B
7
7 — TUNING GUIDE
TUNING GUIDE
This section shows you how to to zero in on the desired drive feel for the chair.
The procedures should be conducted in the sequence given, because successive
steps build upon the ones before. Please follow them carefully and do not skip
over any steps.
Make sure you are in a clear and open area when you start the tuning
process.
You will need to use a 1311 handheld programmer in order to conduct
these procedures.
The tuning procedures show you how to adjust various programmable
parameters to accomplish specific performance goals. Refer to the descriptions
of the applicable parameters in Section 5 if there is any question about what
any of them do.
1 Select the Correct Configuration
The generic 1740 powerbase contains four complete parameter sets, correspond
-
ing to four basic wheelchair types:
Configuration 1 = Rear wheel drive
Configuration 2 = Mid-wheel drive
Configuration 3 = Front / Mid-wheel drive
Configuration 4 = Front wheel drive
The first tuning procedure is therefore to select the correct configuration.
STEP 1. Plug the programmer into its port on the handcontrol, and set the
Configuration parameter to 1, 2, 3, or 4. It is the top parameter
in the Program menu.
STEP 2. Unplug the programmer, and plug it in again. Now the selected
configuration’s parameters will be uploaded from the powerbase
into the programmer.
2 Set Up These Basic Parameters before Driving
Before driving the chair, it is important to set up these basic parameters.
STEP 1. Set the proper brake voltage for your brakes, using the Brake Turn-
On Voltage parameter (Program > Motors & Brakes menu).
STEP 2. Set the Single Brake Drive parameter to match your wiring
(Program > Motors & Brakes menu).
STEP 3. For now, set Extra Uphill Comp = 0 and Downhill Gain = 0
(Program > Motor Controller > Compensation menu). You will
tune these parameters later.