@X4-0047-5
－ 13 －
■
To set a maximum voltage
When using a photomultiplier tube, applying a high voltage in excess of the rated value might
cause a discharge in the tube and deteriorate the device characteristics. Set a maximum voltage
to protect the photomultiplier from an excessively high voltage that might be set by mistake.
1
）
Hold down the SET key until the cursor moves to the maximum voltage item (lower
left).
-
0 V
O
F
F
e
t
c
.
1 0 0 0 V
m
a
x
.
R
e
s
e
t
2
）
Press the Up/Down keys to increase or decrease the voltage value. Use the Right/Left
keys to move the cursor to another digit.
3
）
When the desired maximum voltage is displayed, the setting is complete. There is no
need to press the SET key.
■
To set other items (etc.)
1
）
Hold down the SET key until the cursor moves to the "
etc.
" item (upper right).
-
0 V
O
F
F
e
t
c
.
1 0 0 0 V
m
a
x
.
R
e
s
e
t
2
）
Pressing the SET key displays the LCD contrast setting screen.
Use the Up/Down keys to increase or decrease the contrast while viewing the screen
display.
C
o n t r a
s
t
o
f
L
C
D
5
1
/
3
3
）
Pressing the SET key again displays the LCD backlight setting screen.
Select ON or OFF with the Right/Left keys.
B
a c k L i
g
h
t
o
f
L
C
D
O
N / O F F
2
/
3
4
）
Pressing the SET key once more displays the high-voltage output switch LED setting
screen.
Select ON or OFF with the Right/Left keys.
L
E
D
o f
O
u
t
p
u
t
-
S
W
O
N / O F F
3
/
3
5
）
Pressing the SET key again to return to the screen of step 1).
■
Reset
1
）
Hold down the SET key until the cursor moves to the "Reset" item (lower right).
-
0 V
O
F
F
e
t
c
.
1 0 0 0 V
m
a
x
.
R
e
s
e
t
2
）
Press the SET key again to reset to the same state as when the power was turned on.
-
0 V
O
F
F
e
t
c
.
1 0 0 0 V
m
a
x
.
R
e
s
e
t
Содержание C9525 SERIES
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