The linear speed setting alters the speed at which the dome rotates and tilts. The range can be setfrom 1 (slowest) to 8 (fastest). It may be desired to reverse the direction of the joystick in relation tocamera movement or cursor positioning. These are all selectable from the screen.4.4.4 Miscellaneous ServicesThis facility groups together a range of data and settings that may be useful to the technician infault finding. The following options become available:Selecting ‘Software version’ will briefly display the programmed software revision level at the top ofthe screen. Similarly, ‘Homing values’ will briefly display encoder values from the pan and tiltmotors.‘Home servos’ will perform a motor reset where the dome will go into a routine where it pans andtilts through its ranges to re-establish its base position.‘Reset head’ provides a reboot to the dome. It will perform its power-on self test and then home itsservos.4.4.4.1 Host comms/video ampSelecting this brings up the following screen:The small green LED in the dome can be switched on or off. This can be useful to check if power isreaching the dome but it may be visible in low light conditions.Host polling determines whether the dome responds to messages in half duplex serialcommunications, or acts in simplex mode without answering. This will depend on the controllerbeing used and the configuration of the dome communications.The video signal may require boost and lift to compensate for different types or lengths of coax.Video gain is factory set at 1 with Video lift off and different settings are made in the usual way.2040 / 2060 Menu System Manual Page. 25Host comms/video ampSoftware versionHoming valuesHome servosNVM ServicesReset HeadReturnExitActivity LED: OffHost polling:Video gain:Video lift: OffSave and ReturnSave and ExitOn2