Hitachi VTUX6430A - Manual (Page 14)

Note: You cannot operate the VCR if there is an obstacle (for example, coffee table, sofa, etc) between the VCR
and remote control.
2 Point the remote control at the VCR's infrared receiver and press the required button on the remote
control.
Note: If the remote does not work even at close range, try replacing the batteries with two fresh "AA" batteries.