Specific Precautions - Tektronix 222PS Operator's Manual

H CAUTION indicates a personal injury hazard not immediately
accessible as one reads the marking or a hazard to property
including the equipment itself.
H DANGER indicates a personal injury hazard immediately accessi
ble as one reads the marking.
This symbol appears in manuals:
These symbols appear on equipment:
DANGER
High Voltage

Specific Precautions

Observe all these precautions to ensure your personal safety and to
prevent damage either to the 222PS or to equipment connected to it.
Power Source
acid battery as a power source. It can also operate using power
supplied to the external power input. Power supplied to this input must
be 12 to 28 VDC or 16 to 20 VAC
power conductor negative by more than 0.5 V with respect to chassis
ground. Both conductors of the external power input are fused inter
nally. These fuses are not user accessible.
You can operate the instrument with external power operation from
local 110 V or 240 V power supply using the appropriate external
power AC adapter. Use only external power AC adapters specified for
this instrument.
222PS Operator Manual
Static Sensitive Devices
Protective
ground (earth)
terminal
The 222PS can use its self contained sealed lead
RMS
ATTENTION
Refer to
manual
. Do not force either external
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