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City Theatrical Inc. 4160 Projector Dowser Userʼs Manual 

5

Dry Closure Operation   

The 4160 Projector Dowser is also provided with a Dry Closure control input which will allow 

basic operation or manual checkout without using DMX. When the Dry Closure terminals are 

open and no DMX Control is present, the unit will remain at the home position.  When the Dry 

Closure terminals are connected to each other (you can use a paper clip or short length of wire) 

the unit will move to the FULL position, 90° counter-clockwise from home position. 

This  feature  also  works  in  conjunction  with  DMX 

control.  If  DMX  is  present,  the  Dry  Closure 

interface  will  function  and  over-ride  the  DMX 

command.    If  the  Dry  Closure  terminals  are 

connected, the unit will move to the FULL position, 

90°  counter-clockwise  from  home  position.  When 

the  Dry  Closure  is  released  the  unit  will  return  to 

DMX control and the DMX selected position. 

When access to a DMX controller is not 

convenient, the Dry Closure input can be used to 

check the flag calibration or to troubleshoot the 

system, much the way a bump button is used on a 

dimmer.

Power:  

24VDC, 250mA 

Weight:

3.0 lbs

Dimensions:

Accessories:

All accessories are sold separately.

CTI # 4160-006 Dowser Flag 

CTI # 4160-010 1/16” Hex Wrench 

CTI # 4160-007 Flag Hub 

CTI # 4160-011 Rubber Feet Kit 

CTI # 4160-008 Accessory Plate 

CTI # 4160-012 Velcro Kit 

CTI # 2199 Power Supply 

 

Summary of Contents for 4160

Page 1: ...Projector Dowser Userʼs Manual Part 4160 Rev 1 3 2006 City Theatrical Inc ...

Page 2: ...erate the unit if it gets wet Do not operate in excessive heat Maximum ambient operating temperature 40 C Be sure installation provides adequate ventilation and allows free airflow There are no user serviceable parts inside Refer to qualified service personnel Connection Connect the 4160 Projector Dowser via industry standard DMX accessory power four pin XLR cables like those used with color scrol...

Page 3: ...shaft will rotate back and forth and come to a stop 4 Put the Dowser Flag back on the shaft and adjust its position along the shaft until it is located as close to the projector lens as required 5 Rotate the Flag until it is in the desired 00 position and tighten the 2 hex head set screws in the Dowser Hub until the Dowser Flag is locked in position Be cautious and do not rotate motor shaft 6 The ...

Page 4: ... are wide enough to attach to a C clamp or Sidearm as shown in the adjacent views Alternatively the Dowser can be mounted with the Velcro Kit provided The drawings below show two different mounting solutions Underhung Projector Mount Balcony Rail Projector Mount Pipe Column C Clamp Sidearm Projector Dowser Projector Balcony Rail Sidearm Projector Dowser Projector ...

Page 5: ...ntrol If DMX is present the Dry Closure interface will function and over ride the DMX command If the Dry Closure terminals are connected the unit will move to the FULL position 90 counter clockwise from home position When the Dry Closure is released the unit will return to DMX control and the DMX selected position When access to a DMX controller is not convenient the Dry Closure input can be used ...

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