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Q:Can I buy extra antennas or extra receiver?
(0)
Yes, we can offer extra antennas and receiver, you can contact us directly or contact with our local dealer for purchase.
 
Q:What difference between Cosmo series and Mars series?
(3)
Cosmo products are no-latency professional ones. Mars series are designed for cost sensitive applicaitons.
Q:Does Cosmo500 transmitter can work with Cosmo600 or other COSMO receiver?
(0)
All COSMO series transmitter and receiver can be used interchangeably, just make sure the transmitter and receiver stay in same channel.
 
Q:How many Cosmo receivers can be paired with each transmitter?
(0)
Hollyland 1 Cosmo transmitter can support up to 4 receivers in one environment.
 
Q:How can I update the firmware of my wireless system?
(0)
You can leave a message for us at CONTACT US page. 
Q:What is the aftersales service policy?
(0)
Our goal is to ensure your complete satisfaction. We offer one year aftersales service to customer, if you have any product quality problem, you can leave a message at contact us page. Besides, you can contact with our local dear, the dealer information is in: Where to buy.
 
Q:Where can I buy Hollyland Products?
(1)
1. Dealers: Find your local dealer at: Where to buy.
2. Contact us directly at: Contact US
Q:Do Hollyland Products Support DFS?
(0)

Currently our Screen Link300 for big LED Display support DFS. The others support 5.8GHZ ISM Band, more new products with DFS will be released. More details please contact with us.

 

Have more questions? Please Contact Us. 

Q:Poor output video quality
(3)

 

1. Check if SDI or HDMI input or output cable is plugged well;

 

2. checks how many receiver side ‘RSSI’ LEDs are lit, there should be 2-3 RSSI LEDs lit if the user want to get better video quality; if there is only 1 RSSI LED lit, that means the received wireless signal is weak and should shorten the transmission distance.

 

Have more questions? Please Contact Us.

Q:No output on display
(1)

1. Please check TX and RX power first, and see if TX or RX battery is powered from external power;

 

2. Check if TX antennas and RX antennas are installed right. After that, check the TX and RX ‘Link’ indicators light on, if the‘Link’ indicators light off, then check if TX and RX are on same frequency;

 

3. Check the ‘Video’ indicator, if TX ‘Video’ indicator is not lit, then check if the SDI or HDMI cable is plugged in and a video source is present;

 

4. Finally may check input video format is compatible with this product specs.

 

Have more questions? Please Contact Us.

Q:No sound output of Bluetooth earphone
(2)

1. Check the Bluetooth earphone power first;

 

2. It may cause by the Bluetooth earphone and Bluetooth module is not paired, and then please follows the steps to pair them;

 

3. Bluetooth earphone the working distance up to 5-6m, please check if it works over the distance. If it is yes, please go back to its working distance.

 

Have more questions? Please Contact Us.

Q:Why do Hollyland products have frequency auto-selected function?
(2)
Some of Hollyland products with auto-selected function with Frequency display such as Cosmo1500. The system will select automatically the lowest interference frequency to ensure the RF with best performances.

Have more questions? Please Contact Us.
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