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READ THESE NOTES BEFORE INSTALLING OR
OPERATING THE GEFENPRO HDMI 1.3 TO 3GSDI CONVERTER
• The Converter is compliant to SD/HD SDI SMPTE 292M, SMPTE 274M,
SMPTE 259M, SMPTE 296M, ITU-R BT.656 and ITU-R BT.601
• The Converter handles 3G-SDI SMPTE 425-A and 425-B / formats 1080P
50/59.94/60
• The HDMI to 3GSDI Converter supports the following resolutions:
Video Resolution Refresh Rate (Hz) Rate
525i (NTSC) (480i) 59.94 SD
625i (PAL) (576i) 50 SD
720p
50 HD
59.94 HD
60 HD
1080i
50 HD
59.94 HD
60 HD
1080p
23.98 HD
24 HD
25 HD
29.97 HD
30 HD
50 3G lev.A/B
59.94 3G lev.A/B
60 3G lev.A/B
2K
23.97 HD
24 HD
25 HD
• HDMI source audio is converted to SDI audio only when the audio sampling
rate is 48 KHz; other rates will produce unrecognizeable audio.
• Color spaces are automatically converted (RGB to YCbCr) and color
subsampling (4:4:4 to 4:2:2) is automatically performed when using SDI
equipment.
• When using SDI and HD-SDI equipment, outputs A and B are mirrored.
• The fi rst 2 channels of HDMI audio embedded within the source signal are
output on the L/R analog audio RCA connectors for monitoring purposes.
OPERATION NOTES