ETC Congo Family v6.4.0 - Manual (Page 956)

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Step 3: While pressing one of the keys above, slide the switch to the “on” position and wait
until the keys are blinking (about 5 seconds).
Step 4: Release the key you are pressing. The sleep delay time is now programmed to the
setting you selected above.
Replacing the transmitter battery
The transmitter unit requires a single 9V alkaline battery (provided) for power. This battery
should provide approximately one year of normal usage before requiring replacement. To
replace the battery, remove the two M3x4mm screws at the bottom of the unit to access the
battery compartment and replace with a 9V alkaline battery. Replace the lid and secure it
with the same two screws. Dispose of the old battery as is appropriate in your local area.