EGO HT2500 Manuel De L'opérateur page 17

Latch
Locks the battery pack in place when installed on the tool.
Ejection Mechanism
Aids in removing the battery.
Speed-Adjustment Knob
Used to adjust the speed of the hedge trimmer.
Handle lock
Can be pull out to adjust the position of the rear handle.
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56V LITHIUM-ION CORDLESS HEDGE TRIMMER — HT2500/HT2500-FC