Movcam Dark Tower Series User manual

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Content
Important ................................................................................................................ - 2 -
Notice ：.................................................................................................................. - 3 -
Product Introduction ............................................................................................... - 3 -
General Info ............................................................................................................ - 3 -
Specs ...................................................................................................................... -3,4-
Product
Features :................................................................................................... - 5-
Mechanical Structure .............................................................................................. - 6-
The
transmitter (TX) .............................................................................................. - 6,7-
The R eceiver (RX) .................................................................................................-7,8-
Operating Instructions............................................................................................ -8,9-
Troubleshooting .................................................................................................... - 10,11-
FCC Statement ....................................................................................................... -11-
F
CC radiation exposure statement .......................................................................... -12 -
Caution ！............................................................................................................... - 12 -

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Important
Thank you for purchasing Movcam Dark Tower system. Please read this user manual carefully
before using the product. This manual contains specifications and important information in regard
to Dark Tower and its functions.
Limited warranty service is provided when the product is properly handled according to the
instructions below.
However, the warranty dose not cover damages caused by the following situations:
where change of parts or repair is conducted by unauthorized person,
where the damage is caused by accidents, including but not limited to lightning, leaking,
exposure to rain or damp environment.
where power supply or adaptor does not comply with the instructions here.
where the serial number on the product/warranty label is changed or removed.
Caution
The product cannot be exposed in dripping or splashing environment
The receiver（RX box） / transmitter (TX box) must be put on solid flat and steady surface
Do not block the air chute on top of the product nor put any heavy object on the product
The RX box/TX box should be stored in places with good ventilation, and avoid direct
sunlight or heat.
To avoid the risk of fire or electric shock hazards, do not expose the product to rain or moist
environment.
Movcam reserves the right to any changes on the product or user manual without prior notice.
Notice：
Malfunction like video or audio output failure might occur when the product is used in the
following situations
1. The product is put on concrete wall,

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2. The product is put too close to fridge or metal parts,
3. The product is used in small crowded space
The product has passed tests and conform with safety regulations. But in certain situation,
radio interference might occur. Should this happen, please increase the distance between the
TX box and the RX box.
Product Introduction
The Dark Tower system is a very effective video transmission unit for live broadcast and film
shooting but without the complicated cable connection. It is easy and simple to set up the whole
system.
General Info
Dark Tower is mainly composed of one transmitter (TX) unit and one receiver (RX) unit.
Specifications
Items Specs
Frequency range From 5G(RX) and 2.4G(TX)
In accordance with different RF rules in
different countries
Wide Band 100MHz
Video formats 1080p 23.98/24/25/30/50/60
1080psf 23.98/24/25
1080i 50/59.94/60
720p 50/59.94/60
576p 576i 480p 480i
Audio format PCM, DTS-HD, Dolby TrueHD
Transmission distance 2300ft(Line of sight)
TX Unit
Antenna external antenna 5G x 2pcs ，2.4G CHIP antenna
transmission power 2.4G:2dBm, 5G:18dBm MAX
function interface SDI in, SDI out, Mini USB,
MBUS, DC IN, antenna,
Power ON/OFF
Mounting 1/4" hotshoe mount
OLED screen channel info; video status; battery info
power supply 11.5-17V DC in

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power consumption 7-8W
net weight 400g (including antennas)
dimension 142.5x76x24.3mm
temperature -10℃ to 50℃(operating); -40℃ to 80℃(storage)
RX Unit
antenna external antenna (RX)5G x 5pcs, (TX)2.4G x 1pcs
reception sensitivity 70dBm
Function interface SDI out x2, HDMI out, Mini USB,
MBUS, DC IN, antenna;
Power ON/OFF
mounting 1/4" hotshoe mount
OLED screen channel info, signal intensity, power info
power supply 11.5-17V DC power, or V-mount battery
power consumption 7-8W
net weight 800g （including antennas)
dimension 135x90x50mm
temperature -10℃ to 50℃(operating); -40℃ to 80℃(storage)
Movcam reserves the right to any changes on the product without prior notice.
Product Features:

Uncompressed 3G/HD/SD-SDI transmission, Uncompressed SDI signal can be up to
1080p50/60

Less than 1 frame delay in transmission
There is no noticeable video delay. So the product can be used as real time monitor on site
 Transmission distance 2000ft
In actual shooting , transmission distance might vary due to the shooting environment, radio
condition, and building.

license-free frequency range
Wireless frequency range among 5.1-5.9GHz，2.4G ISM frequency does not require license
transmission power 2.4G:2dBm

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 support group broadcast
Support one TX to multi RXs connection. Operators can set up channels to pair up the TX
and different RXs.

Built-in fan
TX box has a efficient fan built inside with low noise
 AES 128 encryption
 OLED display screen
 full metal cover for TX and RX boxes
 easy and quick connection
The TX card can start working right after being put in the TX box. No software setting is
required.
Mechanical Structure Info
TX Unit

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TX box
1 OLED Display screen
for channel info, video status, signal intensity, and power info
2 Multi-direction switch
for channel switch, menu operation
3 Power ON/OFF
Turn on / off the TX unit
4 SDI IN
Connect to the SDI port on camera
5 SDI OUT
connect to other SDI equipment if need be
6 DC IN
Support 11.5-17V
7 antenna mounts x 2
to mount antenna
8 MBUS

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RX Unit
RX box
1 antenna mounts x5
to mount antennas
2 OLED Display screen
for channel info, audio info, signal intensity, and power info
3 multi-direction switch
for channel select, menu operation
4 Power ON/OFF
Turn on/off RX
5 battery power out
to power up external equipment
6 HDMI OUT
to connect HDMI monitor or other equipment
7 SDI OUT x2
to connect to SDI monitor or other equipment
8 DC IN

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support 11.5-17V power
9 battery bracket
for V-mount battery
Dark Tower Operation Instructions
DT wireless system consists of the TX Unit(includes TX card and TX box)， the RX unit and 7x
pcs external antennas. Please follow the steps below for proper setup and channel pairing settings.
1. Firstly, drop the red TX card into the TX box, and secure the antennas on top of the TX card
and that of the RX box. Then, connect to the power supply and turn on the RX and TX
respectively.

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2. Connect 2.4G wireless communication between the TX and the RX units.
1）On the main menu page of the TX, click on RF Setting to go to the next page and select
Channel on this page. The product has 9 channel options under 2.4G communication. Select the
channel you want.
2）Repeat the above 2.1)operation on RX unit. Select the same channel as that on the TX unit to

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connect the TX and the RX.
3. When signal bar appears on the RX screen, it means that the TX box and RX box are
connected successfully. The information displayed on the screen now is the channel
number and signal intensity.
4. Connect and pair 5.8G wireless communication between the TX and RX. Only after 2.4 G
connection succeeds can we start connection and pairing under 5.8G
1) On the main menu page of the TX box, Click on WFP Setting to enter the next menu page
and select Channel on this page. The product has 12 channel options under 5.8G. Select your
channel, and then go back to the main menu page.