Hollyland MARS 400S Installation guide

MARS 400S
FAQ
V2.0, 07/16/2020

PARAMETERS
1. What are the requirements of the DC adapter?
•Voltage: 6~16V
•Current: 1~2A
•DC Jack: 5.5*2.1mm
2. What battery does MARS 400S use?
L-Series batteries: NP-F 970/750/550.
3. How long will a supported battery last?
One NP-F970 lasts for about 4~5 hours with a full charge; NP-F750, 2~3 hours, and NP-F550, 2 hours.
4. Can one use a V-mount battery to power MARS 400S?
Yes. The dimensions of the DC adaptor on the DC to D-tap cable should be 5.5*2.1mm
5. Does MARS 400S support audio transmission?
Yes. It supports the HDMI embedded audio.

OPERATIONS
1. How to switch to another channel?
Press the “ Up” or “ Down” button TX and press the “ OK” button to confirm the switch.
2. How to pair a new receiver with the system?
•Go to the menu on TX and new RX by long-pressing the “ OK” button.
•Choose “ Pair” under “ System” at the same time.
•Both devices will start to pair automatically
3. How to connect a mobile device to the HollyView App?
•Find the WiFi password via the menu on the device. Default password: 12345678
•Connect to the WiFi begins with “HLD_” under mobile device’s WiFi Settings with the password
•Open the HollyViewApp, go to the MARS 400S page and tap “Connect”
4. How to fast and easily identify the channels with interference?
•Go to the menu on RX
•Select “Channel Scan”
•“√” means the channel is clear of interference while “×”means it is with interference

DISPLAY
1. Why there is a battery icon on the screen?
The battery icon indicates that battery level is low, and the device could only work for about 30 more minutes.
2. Why “X” is on the signal bar for device 1 or 2?
It is normal. MARS 400S supports 1 TX connects to 2RX.If only 1 RX is connected, the display of the signal for the other device will be
“X”.
3. How to confirm if the device detects the USB flash?
A USB icon will appear on the OLED screen once the device detects it.
4. Where to find the SSID required in the App connection?
The WiFi name of the device consists with “HLD_” + the device’s SSID. The SSID with seven digits of numbers and letters is displayed on
the screen of both TX and RX.

APPLICATION
1. How to set them up when multiple sets of MARS 300 PRO are used at the same location?
•Choose different frequency channels with the number difference between each two channels bigger than 2
•Place each RX at least 0.5m away from the other
•Place all RX 1.7m above the ground
2. Why there is no video output when recording 4K?
This is limited by DSLR/Mirrorless cameras. We suggest you use the mobile App to monitor the feed, or connect the camera to an
ATOMOS monitor first, then output the feed to the device.
3. Why there is no video display when using the system with a switcher?
•Check if there is Video Format on the screen of Transmitter
•Based on the requirement of the switcher, output format of camera should be set to 1080p/i
4. Why there is no video when using a SONY camera?
•HDMI Control: Off
•HDMI Display: Camera and HDMI at the same time
•HDMI info Display: Off

THANK YOU