10
A24.1001
⑤
⑥
a
⑦
图
11
3.4 Top illumination (Fig. 11)
1. Fluorescent lamp illumination: turning the main
switch
⑤
to
“
I
”
(on) state, and fluorescent lamp
switch
⑥
to
“
I
”
(on) station, it could get a
daylight equivalent fluorescent overhead light
source, and its tile is adjustable for individual
comfort.
2. LED lighting: turning the main switch
⑤
to
“
I
”
(on) station after installed the LED lighting
⑦
,
and rotate the left side brightness adjusting
knob to obtain a comfortable brightness. It can
offer many lighting options, different types of
lighting work best for seeing different gem
features.
Brightfield
、
darkfield
、
top illumination ,these
three types of illumination is optional for
users to meet with different viewing desire .
