B&K Precision 4013B - Manual - Manual (Page 9)

9
2.6 Fuse Replacement
There is a 1A, 250V rated slow blow fuse at the AC input. Should the fuse ever get blown,
follow the steps below to replace:
1. Locate the fuse box next to the AC input connector in the rear panel.
2. With a small flat blade screwdriver, insert into the fuse box slit to pull and slide out the fuse box
as indicated below.
3. Check and replace fuse if necessary.
2.7 Grounding Requirements
For the safety of operating personnel, the instrument must be grounded. The central pin on
the AC plug grounds the instrument when properly connected to the ground wire and plugged
into proper receptacle.
WARNING
TO AVOID PERSONAL INJURY DUE TO SHOCK, THE THIRD WIRE EARTH
GROUND MUST BE CONTINUOUS TO THE POWER OUTLET. BEFORE
CONNECTION TO THE POWER OUTLET, EXAMINE ALL CABLES AND
CONNECTIONS BETWEEN THE UNIT AND THE FACILITY POWER FOR A
CONTINUOUS EARTH GROUND PATH.
THE POWER CABLE MUST MEET IEC SAFETY STANDARDS.
2.8 Signal Connections
Use RG58U 50
Ω or equivalent coaxial cables for all input and output signals to and from the
instrument.
Fuse box slit
Fuse box
Check/Remove Fuse