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Operation
1.
Insert or change Batteries
:
Two AA batteries power the Q Set Aviator.
①
press from the base of the triangle on the cover,
see Figure 1;
②
push the cover out of the safety
lock, see Figure 2;
③
tilt the end of the cover up and
remove the whole cover; put the batteries in;
④
put
the cover latch into the notch and push it back, see Figure 3.