User Manual
3G-SDI AUDIO 
DELAY Conversion 
Box 
ADD-01HDW
USER MANUAL V1.0 
ADD-01HDW 
Package Contents- 
  1 ADD-01HDW Unit 
  1 User manual 
  1 Power adapter DC 12V 
 2 Screws 
  4 foot pads 
Any thing missed, please contact with your vendor. 
Introduction 
The ADD-01HDW connects to the SDI signal from your 
source equipment to your SDI receiver. 
With the simple interface of ADD-01HDW, the audio delay 
time can be adjusted so that sound and picture are 
perfectly synchronized. Up to 2700ms (2.7 second) error 
can be corrected. The digital audio signal is reproduced 
bit-perfect so no loss of audio quality is incurred. 
Also the ADD-01HDW can convert the SDI audio sound to 
analog or digital. 
Features 
  Max Audio Delay time 2.7 seconds. 
  Audio delay adjustment scale is 10ms. 
    Support high-resolution display up to 1080P@60Hz. 
  Supports 2-channel PCM analo g audio. 
  Supports Coaxial digital audio(P CM only). 
Specifications 
Input connector  1 x BNC 
1 x BNC for video 
2 x BNC for audio 
Output Connector 
1 x RCA 
SDI Video support 
525i@59.94, 625i@50, 
720p@50/59.94/60, 
1080i@50/59.94/60, 
1080
p
@23.98/24/25/29.97/30
,
1080p@50/59.94/60 
Audio support   
sample rate 
48K 
Power Adapter (Min.)  DC 12V with lock 
Housing Metal 
Weight 378g 
Dimensions (LxWxH)  150x111x25mm 
-1- 
TOP VIEW 
1. Select audio output channel to “Coaxial” and “Analog” audio     
output.
2. Display current audio delay time   
3. - : decrease time delay value 
4. + : increase time delay value 
5. CHG: change time unit to adjust the audio delay time. 
(second/ 100ms / 10ms) 
-2- 
c 
d 
e
f
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