
- 4 -
www.hzgrow.com
or remove the cable.
The R503 may not work properly due to poor power connections, short power off/on intervals, or
excessive voltage drop pulses. So pls keep the power is stable. After the power is turned off, the
power must be turned on at least two seconds later.
Ripple noise
Since the power input of R503 is directly supplied to the image sensor and decoding chip.
To ensure stable operation, pls use low ripple noise power input.
It is recommended that the ripple noise not exceed 50mV (peak-to-peak).