Vinten Vision 250 E Maintenance Manual page 27

Contents
NOTE: The illumination level of the digital display and the level bubble and the drag knob scales
varies with the intensity of the ambient light. If the ambient light level is high, the level
bubble and drag knob scales will not be lit.
Removal of the battery will not affect the calibration of the balance mechanism display.
9 To install or replace the battery
9.1 Prise out the battery cover (3).
9.2 Pull the battery
9.3 Pull the connector
battery (2).
9.4 Install the battery
9.5 Refit the battery cover (3).
9.6 Press the switch
15 seconds.
9.7 Put a finger over the light sensor (Fig 1.1, item 5) and press the switch. Ensure that the level
bubble and drag knob scales are lit.
Adjustments
Brake knob adjustment
NOTE: The pan and tilt brake knobs are set during manufacture so that the brakes are fully
applied before the knobs reach their upper stops. As the brakes bed in during use it may
be necessary to reset the knobs.
The procedure shown is for the tilt brake knob.The pan brake is adjusted in a similar
fashion
10 To remove the brake knob
10.1 Turn the knob counter-clockwise to its lower stop.
10.2 Unscrew the securing screw
10.3 Turn the knob until it is 45° below the horizontal, then pull the knob off the shaft.
11 To install the brake knob
11.1 Turn the shaft clockwise, by hand, until the brake is applied.
11.2 Turn the shaft 60° counter-clockwise.
11.3 Push the knob onto the shaft at the 45° position.
(Fig 4.1):
(2) out of the battery compartment as far as the wiring will allow.
(4) off the terminals of the old battery and push it onto the terminals of the new
(2) in the battery compartment, ensuring that the wiring is neatly stowed.
(1) and ensure that the balance mechanism digital display is lit for approximately
(Fig 4.2):
(1) until its stop is reached
(Fig 4.2):
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