HT instruments HT4011 - Manual (Page 17)

HT4011
EN – 16
5. MAINTENANCE
5.1. GENERAL INFORMATION
1. The instrument you purchased is a precision instrument. While using and storing the
instrument, carefully observe the recommendations listed in this manual in order to
prevent possible damage or danger during use.
2. Do not use the instrument in environments with high humidity levels or high
temperatures. Do not expose to direct sunlight.
3. Always switch off the instrument after use. In case the instrument is not to be used for a
long time, remove the battery to avoid liquid leaks that could damage the instruments
internal circuits.
5.2. REPLACING THE BATTERY
When the LCD display shows the symbol “
“, it is necessary to replace the battery.
CAUTION
Only expert technicians should perform this operation. Before carrying out
this operation, make sure you have removed all cables from the input
terminals or the cable being tested from inside the clamp jaw.
1. Turn the rotary switch to the OFF position.
2. Disconnect the cables from the input terminals and the cable being tested from the
clamp jaw.
3. Loosen the battery cover fastening screw and remove the cover.
4. Disconnect the battery from the connector.
5. Connect the new batteries to the connector (see § 6.1.2) and pay attention to correct
polarity.
6. Position the battery cover back over the compartment and fasten it with the relevant
screw.
7. Do not scatter old batteries into the environment. Use the relevant containers for
battery disposal.
5.3. CLEANING THE INSTRUMENT
Use a soft and dry cloth to clean the instrument. Never use wet cloths, solvents, water, etc.
5.4. END OF LIFE
CAUTION: this symbol found on the instrument indicates that the appliance, its
accessories and the battery must be collected separately and correctly disposed
of.