Do not turn off the power or disconnect the cable during transfer, or you
may not be able to restart the GT units.
When a password is set in the source GT unit, the password is transferred
to the target GT unit.
Messages during transfer
The target GT unit is being initialized.
Firmware and screen data are being
transferred.
A password has been set for the target GT.
The firmware of the source GT21 does not
support the target GT21 if the source GT21
is below V1.100 and the target GT21 is
V1.100 and above.
Upgrade the firmware for the source GT21.
Make sure the communication settings for both
GT units is the same.