Version 2 6 1 July 2021
High: If LiFe battery is used, set to 6.6v. The Rx battery charge status will be reflected in
the number of bars shown in the battery icon. This is a quick reference guide to the battery
condition. The actual Rx voltage will also be shown digitally in the pane below.
Alarm: Set this to a voltage at which you would like to initiate an audible low battery
voltage alarm, say 5.2v. Time to recover boat and replace battery.
Low: Set this to a voltage (say 4.9v) at which you would like the Rx battery to become
disconnected to prevent further drain and possible permanent damage.
It is strongly recommended that the Rx battery be recharged after every outing.
RXL Pane
The lower part of the LCD display shows the RXL pane which shows:
Int V1:6.6v (Rx voltage)
Tx.V1: 4.8v (Tx voltage)
Signal Strength
Signal Strength
A typical reading is Err1:1%. The manual gives no details this metric or how it works, but a higher
error rate percentage means a reduction in signal strength at the Rx.
Failsafe
Use System setup/Rx Setup/Failsafe to set the fail-safe feature when control is lost. This is a
useful function to aid physical recovery of the boat. Set a permanent rudder deflection and eased
sheets when there is a Rx battery or signal failure, so the boat does not sail over the horizon.
Setting Rudder End Points
A rudder throw of no more than 35 degrees from centre is recommended to prevent stalling.
Placing small marks or shallow scratches on the hull will provide greater accuracy. Use a straight
edge ruler from the keel box through the centre of the rudder hole to mark the exact centre.
- Select Function setup/Endpoints/Ch1 on Tx.
- Position the hull so that physical mid-point and 35 deg. markings can be seen.
- Place steering stalk fully to starboard and using Up/Down controls to move rudder until
aligned with 35 deg. mark.
- Repeat for port.
- If the display reaches the maximum setting of 120 % before the 35 deg. mark is reached, then
an increased rudder throw can be achieved by repositioning the connection point on the
rudder arm closer to the rudder post. The existing hole on the arm will have to be enlarged to
accomplish this. It may be necessary to bend the connection rod to ensure it does not contact
the hull opening, causing friction and servo failure. The bellows may have to be temporarily
removed to check this.
Setting Sail Winch End Points
The winch line travel should be about 115mm. Change the number of turns on the drum to locate
the main sheet attachment point at the back of the main hatch opening when fully sheeted in.
Alternatively, undo the retaining screw on the winch drum and rotate in the desired direction.
Slightly ease bowsies to ensure winch servo does not become overloaded, then
- Power-up, and sheet-in.
- Set the close-hauled position for both booms using their bowsies. Hold the hull vertically and
ensure both booms fall under gravity.
- The fully eased point of both booms can be adjusted using Function setup/
Endpoints/Ch3/Up-Down so that the main is at about 80 deg. and jib about 85 deg. In very
windy conditions it may be appropriate to reduce the sail load to prevent nosediving by either
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