Marshall Amplification Broadcast & Pro AV CV-PT-HEAD Bedienungsanleitung

CV-PT-HEAD

Instructions

The CV-PT-HEAD (µL) can be controlled by CV-MICRO-JYSTK or any BR Remote style

controller. These controllers generate RS485 data which can be connected directly to the CV-

PT-HEAD or sent via an IP network with IP adaptors. The RS485 data can be sent up to

3,000+ feet (1km) on a four (4) pin XLR cable.

Power for the µL can be up to 35V so cable length can be extended very long ranges by

increasing the voltage to the CV-MICRO-JYSTK remote end. Inside the unit is a 12v

regulated supply for the camera so it does not matter what voltage you send to the CV-

MICRO-JYSTK, the camera will always be provided 12V power.

Both power and RS485 control data are delivered via 4pin Lemo connector on the base. Then

the Lemo (base) to Hirose (camera) cable is used to provide command and power to camera.

Marshall cameras use (VISCA) commands to adjust settings in the camera. The control

protocols for these cameras are embedded in the CV-PT-HEAD and can be connected to the

camera with included patch cable. The camera itself can then be controlled via BR Remote

controllers. The Camera CCU output is RS422 and is on the 7pin Lemo connector passed

through to camera with Lemo to Hirose cable.

The CV-PT-HEAD is IP65 weatherproof and can be used outside. This makes a perfect

match for the Marshall CV503-WP IP67 weatherproof camera model for outdoor or dirty

environment use.

There are slipping clutches on both pan and tilt motors which

prevent damage to the mechanics if it is moved inadvertently

during rigging or if it hits an obstruction during movement.

Need to hang it upside down – no problem. There are 3x M4

mounting threads as well as a ¼”-20 on the base of the PT

Head. Simply flip the image in the Marshall Camera OSD Menu.

Joystick Control

The CV-PT-HEAD contains 10 gears. Some controllers can select any gear, but others can

only select a fewer number of gears. The movement is fully proportional to the joystick

displacement in all gears.

If the ‘turbo’ button is enabled on the controller this will set the speed to the fastest gear

triggered by holding down the button.

Pre-Set Positions

The CV-PT-HEAD has the capacity to store up to 64 pre-set positions although some

controllers can only access 4 positions. When first powering the unit on you will need to

manually set a ‘Home’ position or storing the positions you need. You can set a ‘Home’

position by using a known picture position from the camera or by driving it to the ends of the

pan and tilt travel. Doing this will enable it to re-call previously stored positions.

Connections

The CV-PT-HEAD is supplied with a short cable to connect it to a controller. This cable can

be simply extended following the wiring diagram below.

1 Blue (GND)

2 Green

3 Yellow

4 Red (+12v)

XLR4 (NC4MXX)

1 Blue (GND)

2 Green

3 Yellow

4 Red (+12v)

XLR4 (NC4FXX)

4 Pin Lemo input plug – FGG.0B.304.CLAD52Z

Pin 1 = GND (Blue)

Pin 2 = RS485 data A (Green)

Pin 3 = RS485 data B (Yellow)

Pin 4 = Power 12 – 35v (Red)

7 Pin Lemo plug for camera power & data - FGG.0B.307.CLAD52Z (not supplied)

Pin 1 = GND (Blue)

Pin 2 = RS422/485 data A TO camera (Green) Also semi-duplex return data.

Pin 3 = RS422/485 data B TO camera (Yellow) also semi-duplex return data.

Pin 4 = Power 12v camera power (Red)

Pin 5 = future use

Pin 6 = future use

Pin 7 = future use

When power is connected the blue LED on the side will flash 3 times whilst the CV-PT-HEAD is

booting up. After this sequence, the LED will indicate 3 states.

Permanently ON = Power applied; data received but not being addressed.

Very Fast Flashing = Being addressed and should respond to commands.

Flashing Very Slowly = Power but no data.

Cable Management

On the pan cover, under the camera plate are two M2.5 threaded holes. These can be used to

attach cable management clips if required.

Pan & Tilt Clutch Adjustment

Both the pan and the tilt clutches can be adjusted if needed.

To adjust the pan clutch, remove the Pan Cover which is

secured with a single screw. The cover will need to be

prized off as it is sealed with silicone sealant. The

Adjustment nut is on the top of the shaft and locked with

an M3 grub screw. Use a 1.5mm Allen wrench key to

loosen the locking screw and tighten the clutch

adjustment nut until to achieve the required clutch

movement. It should be set as lightly as possible

without slipping. If it is adjusted too tightly, damage

may occur to the pan motor gearbox.

Clean all the sealant from the cover and the body and re-apply a very thin layer of silicone

sealant before re-fitting the cover.

The tilt clutch adjuster is accessed by removing the Main Cover.

This has 3 screws. Take care not to damage the sealing

gasket. The Tilt Shaft Support Bearing may be on the shaft, as

in this picture, or may me retained in the main cover. Take care

not to lose this bearing.

The tilt adjustment is an M5 Nylock nut under the bearing on

the tilt shaft. You will need an 8mm spanner.

When re-fitting the cover ensure the gasket is located correctly

and that no wires become trapped between the body and the

cover.

Specifications

Power: 12 – 35v @ 0.5A + camera

Camera power: 12v @ 1A max.

Weight: 250gm.

Payload: 400gm.

20 – 60mm wide

Cam Protocols: Marshall VISCA

Pan Range: 350 deg.

Tilt Range: 360 deg.

Environmental: IP66 (with plugs)

Safety

There are 2 M4 bolts fitted to the base which should be used for a safety bond if the unit is rigged

above head height.

Also, on the base is a standard ¼”-20 camera mounting thread and 3x M4 threads. Any of these

can be used for mounting the unit to a suitable platform.

Camera Specific Connections

CV-PT-HEAD comes with a Lemo (base) to Hirose (camera) cable for

Marshall cameras. The table below is used if a Male connector is fitted

on the camera. ie. if the connector on the camera itself has pins – like

in the picture.

Marshall Cameras

Hard wired cable assembly into camera

Core Colour Function Lemo 7 pin No. Hirose pin No. Normal Colour

Screen (around Yellow) Power GND 1 8 Blue

Orange Data A 2 6 Green

Grey Data B 3 5 Yellow

Red Power 12v 4 9 Red

5 no connection

6 no connection

7 no connection

White

3.3v for Menu

control Insulate

Yellow Menu Control Insulate

Black SDI co-ax

Not all the functions built into controller are actionable by all the types of cameras. The controls to which

Marshall CV500-series cameras will respond are as follows.

 Zoom – if a motorised zoom is fitted

 Focus – if a motorised focus is fitted

 Iris - if a motorised Iris is fitted

 Auto Iris

 IR Mode

 Camera Gain -3dB – 30dB

 Shutter Speed

 Auto Push White

 Full Auto Tracing White

 Preset White 3,200K & 5,600K

 Manual White Balance

 Red Gain

 Blue Gain

 Cam Detail

 Cam Gamma

 Output Standard - 1080i & 1080p in 50Hz & 60Hz frame rates.

 Picture Flip

 Cam DNR

(310) 333-06060 Marshall Electronics support@marshall-usa.com

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