Hitachi TM3000 Instruction Manual page 175

This observation, well-suited for observing specimens that do not produce adequate
brightness/contrast levels, yields smooth images.
4. Setting an Observation Condition from the View Menu On the View menu, select
one of the following observation conditions: 5 kV, 15 kV, and Analy.
Figure 4.3.13-5 Setting an Observation Condition (15 kV Mode)
In Figure 4.3.13-5, the 15 kV observation condition is check-marked.
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