Unified Controller nv Series type1 light Controller Unit Operating Instructions 
i 
Safety Precautions 
This product and instruction manual contains important information for safe and correct use to prevent 
danger to the user and other people as well as damage to property. 
Understand the following information (signs and symbols) before reading the text, and follow the 
instructions. 
 
Description of signs 
Sign  Meaning of sign 
Danger 
Indicates an imminent hazardous situation which, if not avoided, may result in 
death or serious injury
*1
. 
Warning 
Indicates a potentially hazardous situation which, if not avoided, may result in 
death or serious injury
*1
. 
Caution 
Indicates a potentially hazardous situation which, if not avoided, may result in 
minor or medium injury
*2
 or only property damage
*3
. 
*1:    A serious injury indicates loss of sight, injury, burns (high/low temperature), electric shock, broken 
bones, or intoxication that will have aftereffects and require hospitalization or long-term hospital 
visits for healing. 
*2:   An injury indicates injury, burn, or electric shock that does not need hospitalization or long-term 
hospital visits for healing. 
*3:   A property damage indicates consequential damage in terms of breakage of properties or 
materials. 
 
Description of symbols 
Symbol  Meaning of symbol 
 
Prohibited 
Indicates prohibition (must not do). 
The specific details of prohibition are indicated inside or near 
 with pictures or 
text. 
 
Instruction 
Indicates instruction (must do). 
The specific details of instruction are indicated inside or near 
  with pictures or 
text. 
 
Warning 
Indicates warning. 
The specific details of warning are indicated inside or near 
  with pictures or 
text. 
(Note) The description of prohibition, instruction, and warning vary depending on the display on the main 
unit.