Teledyne LeCroy DA1855A - Manual (Page 8)

DA1855A Differential Amplifier
2 922258-00 Rev A

Use indoors only.

Keep product surfaces clean and dry.

Do not block the cooling vents. Leave a minimum six-inch (15 cm) gap between the
instrument and the nearest object. Keep the underside clear of papers and other objects.

Do not remove the covers or inside parts. Refer all maintenance to qualified service
personnel.

Do not operate with suspected failures. Do not use the product if any part is damaged.
Obviously incorrect measurement behaviors (such as failure to calibrate) might indicate
impairment due to hazardous live electrical quantities. Cease operation immediately and
sequester the instrument from inadvertent use.
Operating Environment
Temperature: 0 to 50 °C.
Humidity: Maximum relative humidity 80 % for temperatures up to 31 °C decreasing linearly to 50 %
relative humidity at 50 °C.
Altitude: Up to 2,000 m (6,562 ft).
Cooling
The instrument relies on forced air cooling with internal fans and vents. Take care to avoid
restricting the airflow to any part of the amplifier. Around the sides and rear, leave a minimum of 15
cm (6 inches) between the instrument and the nearest object. At the bottom, the amplifier feet (up
or down) provide adequate clearance.
CAUTION. Do not block vents. Always keep the area beneath the amplifier clear of paper and
other items.
The instrument also has internal fan control circuitry that regulates the fan speed based on the
ambient temperature. This is performed automatically after start-up.
Cleaning
Clean only the exterior of the amplfier using a damp, soft cloth. Do not use harsh chemicals or
abrasive elements. Under no circumstances submerge the instrument or allow moisture to
penetrate it. Avoid electric shock by unplugging the power cord from the AC outlet before cleaning.
CAUTION. Do not attempt to clean internal parts. Refer to qualified service personnel.