Canon ZR 90 Instruction Manual page 21

J;M·"~I:D Using the Wireless Controller
Point it at the camcorder's remote
sensor when you press the buttons.
The wireless controller operates with two AA (R6) batteries.
1. Open the battery cover.
2. Insert the batteries following the +
and - markings.
Replace both batteries.
3. Close the battery cover.
20
a
Camcorder and wireless controller are equipped with 2 remote sensor modes
(Q] 77). If the wireless controller does not work, check
if
camcorder and
wireless controller are set to the same mode.
a
The wireless controller may not work properly when the remote sensor is
subjected to strong light sources or direct sunlight.