29
11.4 Turn the knob clockwise to the 17° position.
11.5 Screw in the securing screw
. Do not overtighten.
12
Turn the knob clockwise and ensure that the brake is fully applied before the upper stop is reached.
13
Turn the knob counter-clockwise and ensure the brake is released before the lower stop is reached.
14
Re-adjust the position of the knob if necessary.
Balance mechanism digital display calibration
15
The digital display indicates setting of the balance mechanism on a scale of
00
(minimum setting) to
HI
(maximum setting). In the unlikely event of this system requiring calibration, proceed as follows
:
15.1 Level the platform and apply the centre lock
.
15.2 Turn the balance knob
fully clockwise to its maximum stop.
15.3 Press and hold the switch
for approximately eight seconds, until the digital display
shows
CA
. Release the switch
. The display shows
HI
.
15.4 With the balance knob (2) still turned fully clockwise, press and release the switch
. The
display will now show
LO
.
15.5 Turn the balance knob
fully counter-clockwise to its minimum stop.
15.7 If the calibration is successful, the display will now show
00
.
15.8 If unsuccessful,
Er
will be displayed. Pressing the switch
again, or waiting for 15 seconds, will
allow the system to revert to its previous settings. Calibration may now be carried out again.
15.9 After calibration, rebalance the head.
NOTE:
If more than 15 seconds is allowed to elapse between steps, the system will shut down and
revert to its previous settings.