Lectrosonics VS1 User Manual download pdf (Page 4)

VS1 FUNCTIONS

Input Time Delay - Input Time Delay may be adjusted between 0.1 and 10 seconds. This parameter represents

the delay between activity on any VS1 logic input and the activation of the associated logic output. The Input Time

Delay is factory preset for 2 seconds, but may be adjusted as appropriate to insure that inadvertent camera

switching does not take place from transient sounds such as coughs, paper rustling, and the like. See the Logic

Input/Output Timing Diagram below for further explanation of Input Time Delay.

Hold Time Delay - Hold Time Delay may be adjusted between 0.1 and 25 seconds. This parameter represents the

delay between the cessation of activity on any VS1 logic input and the deactivation of the associated logic output.

The Hold Time Delay is factory preset for 7 seconds, but may be adjusted as appropriate to insure that inadvertent

camera switching does not take place from normal pauses in speech. See the Logic Input/Output Timing Diagram

below for further explanation of Input Time Delay.

Idle Option - Idle Option determines the operation of the VS1 when no logic inputs are active. There are two

choices: Hold and Overview. The Idle Option is factory preset for Hold. Hold simply leaves on the last active

channel. Overview switches to whichever camera has been programmed to be the overview camera (see Overview

Output description).

Simultaneous Input - Simultaneous Input determines the operation of the VS1 when multiple logic inputs are

active. There are three choices: Rotate, Multiple, and Overview. The Simultaneous Input option is factory preset

for Rotate. Rotate continuously selects each active input singly, and holds on that camera for a time period

determined by the Rotate Time parameter (see Rotate Time). Multiple allows the VS1 to activate up to two

cameras when multiple logic inputs are active. The first two active logic inputs are selected. The Multiple option

accommodates video switchers with split screen capability. Overview simply switches to the programmed overview

camera (see Overview Output description) when multiple cameras are active.

Rotate Time - Rotate Time may be adjusted between 0.1 and 10 seconds. The Rotate Time represents the length

of time each camera remains on if the Rotate option is selected for Simultaneous Input operation. Rotate Time is

factory preset for 1 second. Note that the Rotate Time parameter is also used in the Output Scan Mode to

determine the scan rate.

Overview Output - Overview Output determines which of the eight cameras is the overview camera. The overview

output is factory preset to output 1.

Output Mode - Output Mode determines whether the logic output is Continuous or Pulsed. The Output Mode is

factory preset to Pulse, but may be reset according to the requirements of the video switcher.

Override Output - Any single output (or any combination of outputs) may be assigned as Override Outputs. When

an Override Output is active, no other outputs can become active until the Override Output is no longer active. The

factory preset is no outputs assigned as Override Outputs.

Auto Sync - Auto Sync determines whether the VS1 will switch outputs during the vertical retrace interval of gen-

locked systems or not. With Auto Sync "On", the VS1 will synchronize output switching to the vertical retrace

interval if a suitable synchronization signal is available at the 75 Ohm Sync Input. If there is no sync signal but

Auto Sync is "On", output switching will not be synchronized with the vertical retrace interval. If Auto Sync is "Off",

the VS1 will not synchronize output switching regardless of the presence or absence of a sync signal.

Output Scan Mode - Output Scan Mode activates each output consecutively, regardless of the activity on the logic

inputs. The amount of time each output is active is equal to the setting of the Rotate Time parameter.

Manual Mode - Manual Mode allows each output (or any combination of outputs) to be activated or deactivated

manually, via the front panel controls.

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Lectrosonics VS1 User Manual Page 4