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9.7
Contrast disc
Two discs are supplied: a frosted glass disc and a white/
•
black plastic disc.
For transmitted light applications the glass disc is used, while
•
for incident light applications the black/white disc is used.
1. If observing dark objects place the disk with the white side
facing up.
2. If observing bright objects place the disk with the black side
facing up. (Fig. 8)
9.8
Inserting the batteries
(Models with rechargeable batteries)
Before you start using the instrument, you must insert the
•
rechargeable batteries.
1. Open the battery cover (located on the bottom of the
instrument) and insert the provided batteries, taking care to
respect the polarities. (Fig. 9-10)
2. When finished, close the battery cover again.
•
Rechargeable batteries are not included; it is necessary
to use 3x AA rechargeable NiMh 1.2V.
9.9
Power ON-OFF LED
(Except SFX-31)
LED ① indicates the power status of the microscope. (Fig. 11)
LED ON (green): power supply connected or charged batteries
inserted.
LED OFF (no color): Power supply not connected or batteries
discharged or not inserted.
①
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