User Manual

1
Note and Warning
- 850 uses AAA battery*2. If 850 is used in temperature lower than -10°C or
higher than 60°C, its battery capability will decrease. Please leave the 850 far
from heat or high temperature environment. In addition, do not expose your
850 in temperature higher than 140°C/60°C. If you do not follow these rules,
the battery may become heat, explode or burn itself, and this will lead to very
serious damage.
- While in the hospital, turning off the 850 is recommended. Like other
common equipments do, wireless GPS receiver may also affect these medical
equipments which use radio frequency and make these equipments
malfunction.
- For a long period not using 850, take out the battery and store it in dry/cool
places.
- For safety, keep the 850 and all accessories out of small children’s reach.
- We assume no responsibility for any damages and loss resulting from the use
of this manual and also by deletion of data as a result of malfunction, dead
battery, or misuse of the product in any way.
- Use only the supplied and approved accessories. Unauthorized accessories,
antenna, modifications or attachments could damage the 850, and may
violate regulations governing radio devices.
- Use a dry, clean soft cloth to clean the unit. Do not use harsh cleaning
solvents, chemicals, or strong detergents.
- Do not attempt to open the 850 yourself. Unauthorized hacking may damage
the unit, and void your warranty.