FUTABA 12Z Series Instruction Manual page 19

Removing of the battery
Note: If you remove the battery while the
power is on, the data you have set will not
be saved.
1. Hook one of your fingers in the slit formed
by the transmitter's main body and the
battery cover on the back and bottom of
the transmitter, and then pull up the cover to
release the lock. You can now open the cover.
2. Slide the slide lever to the right while pressing
it, the battery will be released.
Warning
Be careful to not drop the battery.
Never take out the battery from the T12Z
transmitter while the LED monitor is blinking
yellow after turning off the power the
T12Z transmitter.
* Internal devices such as memories may be damaged.
* If there is any problem, the message "Backup Error" will
be shown the next time when you turn on the power of the
transmitter. Do not use the transmitter as it is, send it to the
Futaba Service Center.
RF module MZ-FM
Caution
Be sure to turn off the power of the transmitter
before you attach or detach the module.
Detachment of the RF module
Pull the module straight while you are pushing
*There is a connector above and under the module
module if the module is tilted.
Attachment of the RF module
Insert the module with care so that the connecter
pins of the transmitter won't be bent.
<Before Use> 19