1. In {System Information}press [2]〈2.Upgrade FW〉enter
{Upgrade FW}.
2. Use [▲] [▼] to highlight a item then press [ENT].
The firmware upgrade is a very important operation and needs to be done with care. The instrument must not
be powered down or switched off during the upgrade. The battery needs to be at least 30% charged before
uploading and the data in the instrument should be properly backed up.
Upgrade Procedure:
1. Copy the correct firmware file to the root directory of the qualified USB stick.
NOTE: for Mainborad FW, the file must be called “Update_R20M1000.fw”. Files named in a different way
can not be read by the total station.
2. Insert the USB stick securely into the USB port of the instrument.
3. Enter the {Upgrade FW}, use [▲] [▼] to highlight a correct type FW then press [ENT].
4. A confirming warning message pops up，【YES】is highlight，then press [ENT].
5. A power warning message pops up, 【YES】is highlight，then press [ENT].
6. The instrument automatically updates the firmware. The beep sound continus till the upgrade end. The
display will go down for a period of time during this period.
7. After a successful firmware update, the instrument will automatically reboot.
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