TDS2002 1x to 10x Probe incorrect

when the students do measurements while using the TDS with the 1 Times TO 10 Times PROBE they are for some reason getting measurements that are off by 10. The Professor thinks they probably are turning it off & on and it is setting the Default to 10. Professor is guessing but, would like assistance on setting it to

The TDS2002 has a 1M ohm BNC input. There is no "read-out" capability with the scope input or the standard probes that were included with the scope. The default attenuation setting is 10x as that is far and away the most common attenuation setting. If using anything other than 10x probe they will manually need to change the attenuation setting on the scope channel to match the probe that they are using