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Tx300-400-1000MK2-1000 Keypad-Ex4 MK2-TxLD Installation Guide 12Jan05.doc
Tx300 (simple 1-2-1 controller)
Page 5
Lens Action
There are six lens-function switches on the BBV Tx300 keypad. These
are Iris Open, Iris Close, Focus Near, Focus Far, Zoom In and Zoom Out.
Press and hold the relevant key until the desired picture is obtained.
Note:
If the key is pressed and held for longer than one second, High
Speed Lens Action is activated. Inching is achieved by quick presses of
the key.
Auxiliary Function Switch
There is only one auxiliary function switch on the Tx300; it is designated as the lights relay, press for on,
press for off.
SELF TEST
To run Self-Test, press Program and Focus Far. This activates the Self-Test routine in the BBV range of Rx
telemetry receivers. See the Telemetry Receiver Installation Handbook for more details.
IRIS LEVEL PROGRAM
To pre-set the aperture of the iris, press Iris Open or Iris Close until the desired level is reached, then press
Program and iris open together to set.
Note:
There is a 15-second time-out, after reaching the correct
aperture setting, in which to program the Iris setting. When this time period expires, the iris reverts to its
default setting.
IRIS SET
AND
LIGHTS CONTROL
Summary of Contents for Ex4 MK2
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