Vanguard UPS S2 - Manual (Page 2)

Operating Procedures UPS-S2 
SAFETY SUMMARY
Follow Exact Operating Procedures
Any deviation from the procedures described in this operator’s manual may create one or more
safety hazards and damage the UPS-S2. Vanguard Instruments Co., Inc. assumes no liability for
unsafe or improper use of the UPS-S2.
The following safety precautions must be observed during all phases of test set-up, test hookups,
testing, and test-lead disconnection.
SAFETY WARNINGS AND CAUTIONS
This device shall be used only by trained operators.
Always ground the UPS-S2  to a substation ground.
Precaution with High Test Voltage
The UPS-S2 can produce a voltage greater than 300Vac which can cause severe injury, death,
and/or equipment damage.
Do Not Modify Test Equipment
Because of the risk of introducing unknown hazards, do not install substitute parts or perform
any unauthorized modification to any Model UPS-S2 unit. To ensure that all designed safety
features are maintained, it is recommended that repairs be performed only by Vanguard
Instruments Co. factory personnel or by an authorized repair service. Unauthorized
modifications can cause serious safety hazards and will nullify the manufacturer's warranty.