Hollyland MARS 300 User manual

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MARS 300
Product Description
Thank you for purchasing the MARS 300 Wireless HD Video Transmission
System. This product uses the latest image coding and decoding
technology and 5G wireless transmission technology to achieve ultra-low
latency video transmission. The transmission distance is greater than
650ft in the line-of-sight environment, and the maximum resolution is
1080P60Hz, enabling full HD HDMI video transmission.
Features
⚫Latest image coding and decoding technology, 5G wireless
transmission technology, Ultra-low latency video transmission
⚫Transmission Range 650ft
⚫HDMI IN/HDMI LOOP OUT、Dual HDMI OUT
⚫Both the transmitter and the receiver can mount the battery
⚫6~16V DC Wide Voltage Input
⚫Support USB Interface Software Upgrade
⚫Industrial Metal Casing, Stable and Reliable
Application
⚫Filmmaking
⚫Live Broadcast
⚫Sports Activities
⚫Educational Recording
⚫Wedding Ceremonies
⚫Corporate Events

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Packing List
1. Receiver x1
2. Transmitter x1
3. 5GHz Antenna x5
4. User Manual x1
5. Cold Shoe x1
6. Expansion Accessory x1
7. DC Adapter x1
8. OTG converter x1
Typical Connection Diagram

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The wireless HD video transmission system adopts the latest wireless communication technology
and ultra-low-latency high-definition video transmission. The transmitter supports HDMI input and
HDMI loop out, and the receiver supports dual HDMI output

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Product Interface Definition
⑴Transmitter
1. RP-SMA Antenna Male Interface
2. Expansion Accessory Mounting Hole
3. HDMI Loop Out Interface
4. HDMI Input Interface
5. DC Power Input Interface
6. Video Indicator
7. Link Indicator
8. Channel Button
9. Micro USB Interface
10. Pairing Button
11. Power Switch
12. 1/4-20 Threaded Hole
⑵Receiver
1. RP-SMA Antenna Male Interface

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2. Expansion Accessory Mounting Hole
3. HDMI Output1 Interface
4. HDMI Output2 Interface
5. DC Power Input Interface
6. Video Indicator
7. Link Indicator
8. Channel Button
9. Micro USB Interface
10. Pairing Button
11. Power Switch
12. 1/4-20 Threaded Hole
Product Installation
1. Install the antenna as shown
2. Fixed transmitter, receiver
3. Install battery
4. Power on, open to "ON" state

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Use Function Introduction
1. Pairing Function
Press and hold the pairing button between the transmitter and the receiver at the
same time. The Link light flashes red rapidly, and the transmitter and receiver enter
the pairing mode. After the pairing is successful, the Link light is steady green, as
shown in Figure 5.
2. Function Description
Double-click the FM button to switch the frequency value.
3. OSD Function
Press and hold the Receiver Channel/OSD button to call up the OSD to display the
wireless parameters and version information of the device. After clicking or no
operation for 10s, the OSD is blanked.

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Status Light and Display Instructions
Link Indicator
Connection
Status
Disconnect
Pairing
Connected -
Strong Signal
Connected -
Weak Signal
Display Light
Red Light
Red Light
Green Light
Yellow Light
Status
Slow Flash
Quick Flash
Stays On
Slow Flash
Video Indicator
Whether there is a video
source
Have
No
Display Light
Yellow Light
/
Status
Stays On
Stays Off
Product Parameter List
Transmitter
Receiver
Interface
HDMI Input (Type A Female)
HDMI Loop Out (Type A
Female)
2 Antenna (RP-SMA Male)
DC Input、Micro USB
HDMI Output1 (Type A Female)
HDMI Output2 (Type A Female)
2 Antenna (RP-SMA Male)
DC Input、Micro USB

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Power Supply
Voltage Range
6~16V DC
6~16V DC
Power
Consumption
<6W
<5W
Weight
145g
145g
Size
（LxWxH）:105x62x22mm
not include antennas and
battery plate
（LxWxH）:105x62x22mm
not include antennas and battery
plate
Input Video
Format
HDMI:
480P60,576P50,720P50/60,
1080i50/60,1080P30/50/60
/
Output Video
Format
/
HDMI:
480P60,576P50,720P50/60,
1080i50/60,1080P30/50/60
Frequency Band
5GHz
5GHz
Modulation
Mode
OFDM
OFDM
Transmission
Power
maximum17dBm
/
Receiving
Sensitivity
/
-80dBm
Transmission
Latency
<0.1s
Bandwidth
20/40MHz
20/40MHz
Common Troubleshooting
No output on the display side
1. Please check the power of the transmitter and receiver. If it is powered by battery or
external power supply, please make sure that the battery or external power supply has
power and output normally
2. Please check if the antenna connected to the transmitter and receiver is securely
installed

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3. Please check if the transmitter's Video light is on; if not, please check if the HDMI cable
connected to the transmitter is reliably connected to the camera and whether the camera
has video outputs
4. Please check if the video output format of the camera is compatible with this product.
5. Please check if the battery level is too low
Poor Video Quality
1. Please check the HDMI input and output cable connections are reliable
2. Please ensure that the transmitter and receiver are placed at least 1.5 meters above the
ground
3. Please check the status of the Link light. If the status is slow yellow, the wireless signal
strength is too weak. In this case, please switch the wireless communication frequency or
shorten the wireless connection distance