Audio line input uses a female 3 pin “mini xlr”, Switchcraft TA3FSH or similar
Minimum required acoustic level (3KHz pips) 66db at the microphone, gain trimmer fully clockwise
Microphone gain trimmer range 18db
Maximum measured A/V error time 500 milliseconds
Internal timing resolution +- .032 milliseconds
Audio to video timing error with 3kHz pips positive phase, better than .09ms
Audio to video timing error with 3kHz pips 180 negative phase (worst case), better than .25ms
Power from 9V standard alkaline battery or any DC voltage +5.7 to +12.0V, low ripple
Battery Life 8 to 45 hours depending on LCD backlight setting, 18 hours using default (50%) brightness. When shut off, Syncheck3 continues to draw approx 12 microamps. This tiny current will not impact battery life significantly but it is recommended to remove the battery for long term storage.
Operating temperature 35°F (2°C) to 120°F (49°C)
Dimentions: 5.75L x 3.6W x 1.3H, (147mm x 92mm x 33mm)
Shipping weight 1lb, 2lb to international destinations, actual weight without battery approx 6 oz. (.17kg)
NEVER CONNECT A POWER SOURCE GREATER THAN +12.0 VOLTS DC. OBSERVE POWER POLARITY.