MODEL
442A
TSURUGA ELECTRIC CORPORATION
2
1. For Safety
1.1 Safety operation
For safety operation, please follow the instruction herein under. There are two symbols
marks for safety in this manual.
WARNING
Operation error might be caused of human death or serious wound.
CAUTION
Operation error might be caused of slight wound to operators or damage to other instruments
related to this product.
WARNING
Since this product do not have power switch, this product works
immediately after connecting power line.
Do not touch the power supply terminals while powered, otherwise
it might be caused of electric shock.
CAUTION
In case of installing this product to cabinet housing, make sure to
exchange air inside to keep inside temperature under 50
℃
Keep space when installing more than 2 products. No space
installation between products might shorten products lifetime by
their self-heating.
Do not install this product in the following environment where;
Exposed to rain, water drops or direct sunlight.
High temperature or humidity, much dust or corrosive gas.
Affected by external noise, radio waves or static electricity.
Affected by vibration, shock.
Store this product at –20 to 60
℃
.
Wipe off front panel and housing with dry soft cloth. If necessary,
use close with small amount of synthetic detergent for cleaning.
Do not use an organic solvent such as thinner, benzine for front
panel or housing cleaning, which might damage shape and color
of front panel and housing.