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TDS 684A, TDS 744A, & TDS 784A User Manual 1–5
Table 1–2: Fuse and Fuse Cap Part Numbers
Fuse Fuse Part Number Fuse Cap
Part Number
0.25 inch × 1.25 inch (UL 198.6, 3AG): 6 A
FAST, 250 V. 159-0013-00 200-2264-00
5 mm × 20 mm (IEC 127): 5 A (T), 250 V. 159-0210-00 200-2265-00
To remove the front cover, grasp its left and right edges and snap it off of the
front subpanel. (To reinstall it, align it to the front subpanel and snap it back on.)
To power on the oscilloscope, do the following steps:
1. Check that the rear-panel principal power switch is on (see Figure 1–1). The
principal power switch controls all AC power to the instrument.
2. If the oscilloscope is not powered on (the screen is blank), push the
front-panel ON/STBY button to toggle it on (see Figure 1–2).
ON/STBY Button
Figure 1–2: ON/STBY Button
Front Cover RemovalPower On