B&K Precision XLN60026 - Manual - Manual (Page 16)

9
2. Cautions Before Using
2.1 Check and Confirm Accessories before Using
After receiving this product, please verify the items received in accordance
with the ones listed below:
1. The appearance of the products is without scratch or other damages.
2. Standard parts as shown in parts list of section 8.
2.2 Operation Instructions
In order to avoid damaging the instrument due to improper operation, be
sure to read this user manual. To maintain the specified accuracy, factory
calibration should be performed annually.
2.3 Ambient Environment
1. Do not locate or operate this product in an environment with dust,
vibration, or corrosive gas and do not expose this product directly to
the sunlight. Operate it in an environment with temperature 0--40
o
C
& relative humidity 20%--80%. Pause the operation when ambient
temperature is over 40
o
C; undo the operation only after the ambient
temperatures drops to the acceptable temperature range. Operating
temperature over the above range would damage the instrument.
2. This product is equipped with one blow-out type cooling fan on the
back board and three in-take cooling fans on inner side of front board.
Provide room for good ventilation near the cooling fans and keep the
boards with a space above 10cm away from wall. To maintain good
accuracy, do not block the ventilation holes in the front and the rear
parts of the unit.
3. Although the product is designed with filters to minimize noise from
AC power source, it is recommended that it be operated in a low
power noise environment with proper earth ground. If the power
noise is unavoidable, please install a power filter.