Protech ZOOM 425 ccpm Spécifications télécharger pdf (Page 128)

13.5.5.1.5. Setting DS

This should be OFF. There are no tail ESCs which are compatible with the digital servo mode.

13.5.5.1.6. Setting DIR

See the GY240 section on setting this switch.

13.5.5.1.7. Setting DELAY

The DELAY adjustment tells the gyro the expected speed of the tail servo. Low delay values

should be used for fast servos, and high delay values should be used for slower servos. If this

value is set too low, then the tail will wag a little after the heli is turned.

The tail motor will behave like a very very slow tail servo so the delay should be set to a large

value. Set this to 100% initially.

13.5.5.1.8. Setting LIMIT

This controls the range of throttle for the tail ESC. Set this to 100%. If you set the limit too low

(less than about 90%) then you will have problems arming the tail ESC.

13.5.5.1.9. Setting SENSITIVITY

This is done at the transmitter on channel 5 for both Futaba and JR radios. If you have a newer

Futaba radio (like a 9C) this is already handled in the GYRO SENS menu. In this menu set the

mode to AVC and the sensitivity to about 50%.

If you have a Futaba/Hitec (negative shift) radio, channel 5 settings below 50% are non-

heading hold mode sensitivity and settings above 50% are heading-hold mode sensitivity. Ini-

tially, set your channel 5 to about 75% travel.

If you have a JR (positive shift) radio, the settings are swapped, e.g. below 50% is heading

hold sensitivity and above 50% is non-heading hold sensitivity. Try setting your channel 5 to

about 25% travel.

13.5.5.1.10. Non-Futaba Heading Hold gyro setup

You should follow your manufacturer's directions.

In addition, you should set the subtrim step size to the smallest increment possible so you can

get very fine control of the rudder neutral point so you can match the transmitter's rudder neut-

ral point to the gyro's neutral point. On the Futaba 9C, go to the TRIM menu and change the

rudder step size from 4 to 1.

13.5.5.2. Yaw-Rate Gyro setup

If using a separate yaw rate gyro (not Piccoboard):

You need need to enable the REVO MIXING feature on the transmitter and adjust the REVO

MIX curve to effect revo mix changes.

If using any Piccoboard WITHOUT the heading hold module or a 3-in-1 or 4-in-1 combo board:

You will need to adjust the REVO MIX dial on the board to effect revo mix changes.

The revo mix controls the speed or pitch of the tail rotor relative to the throttle position. This is

required to counteract the torque generated by the main rotor blades so the heli does not yaw

Helicopter and Transmitter Setup

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Protech ZOOM 425 ccpm Spécifications Page 128