Clearing and Maintenance
1. In order for a long period of trouble-free use of the instrument, please read this manual carefully.
2. Be sure to verify whether the line voltage setting matches the line voltage used. Use a fuse with
the correct rating only.
3.
Caution
Use 3 pin power cable to avoid any damage caused by floating voltage, but Telephone analyzer
(DD-5601 ...) use 2 pin power cable
4. Precaution
Note:
If the equipment is used in a manner not specified by the manufacturer, the protection
provided by the equipment may be impaired.
- Avoid placing this instrument in an extremely hot or cold place.
- Do not use this instrument after bring it in from the cold.
- Do not expose the instrument to wet or dusty environment.
- Do not place liquid-filled container, such as coffee cups on top of this instrument
- Do not use this instrument where it is subject to serve vibration.
- Do not use this instrument in strong magnetic fields, such as near motors.
- Do not place heavy objects on the case or block the ventilation holes.
- Do not leave a hot soldering iron near the instrument.
Cleaning :
To clean stained case, lightly rub the stained area with a soft cloth dipped in a neutral detergent.
Never use highly volatile material such as benzene or paint thinner.
-34-
