Warm boot: Occasionally, a software issue may cause you Topcon AMTS to become unresponsive, in these cases a reboot may solve the issue. A Warm boot can be performed by simply pressing the Green power button until the station powers off, then pressing the button again to turn it back on.
Cold boot: If the problem is not resolved with a warm boot the next step is to perform a cold boot. A cold boot will not erase surveying data in the instrument but all the parameters will be changed to the factory settings. If the data in the memory is necessary, BE SURE TO TRANSFER IT TO A PERSONAL COMPUTER BEFORE PERFORMING A COLD BOOT.
To perform a cold boot, while holding 
, and 
, press the power key on the side of the instrument.
The instrument is reset and powers ON as normal.