Dragonmobility Dragon Посібник користувача - Сторінка 9

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Dragonmobility Ltd

Attendant Controls

The main ON/OFF switch to disable the SnapDragon in case of emergency is located on

the back surface of the main servo unit (the black box on the left hand side of the battery

compartment, see Fig:7). This switch is also the safety cut-out in case the safety circuits

detect any malfunction in the circuitry. Whenever this is turned off, you will hear a sad,

dying sound as the power is disconnected from the SnapDragon's computer. If it turns

itself off, and will not turn on again, contact Dragonmobility Ltd.

Below the ON/OFF switch is a knob which

enables an attendant to vary the performance

(power) of the SnapDragon according to

terrain or other environmental considerations.

By turning the knob clockwise acceleration to

the speed limit will be quicker for the same

movement of the joystick (increasing the

power available), turning it anti-clockwise

slows the acceleration down. A setting

between 9 o'clock and 12 o'clock is adequate

for most indoor use, depending on the skill of

the user, but to take on rougher terrain or to

drive up ramps the performance will need to

be increased. Higher settings on smooth flat

surfaces will give a sports performance, and care should be taken to restrict such use

unless the user is responsible and experienced enough to ensure his own safety and the

safety of others. The SnapDragon can be quite a powerful machine!

Also on the main servo unit are two push buttons which enable an attendant to drive the

powerbase backwards or forwards without the user controls (DCB) connected, for

instance, to load the SnapDragon up ramps into an estate car. These push buttons are only

operative when the Control Cable or DCB Cable is disconnected, connecting it for normal

use disables them so they can not function.

The button nearer the front drives the powerbase forwards, and the one nearer the back

drives backwards. Steering is achieved by guiding the back of the SnapDragon by hand.

Blipping the buttons in short bursts will make the SnapDragon move more slowly. The

setting of the performance knob will affect how powerfully the SnapDragon performs in

these circumstances, in the same way as it affects the joystick control.

Special attendant controls may be provided with a second DCB for attendant use which

takes over all the usual DCB functions from the user's DCB. Separate instructions will be

provided in this case.

SnapDragon – Owner's Manua

Forward

Backward

Attendant

Drive

Fig:7

Issue 1,8

Main

ON:OFF

Switch

Performance

Knob

Page 7