NF HVA4321, Instruction Manual

Page: 41 / 152

3.2 Amplifier
HVA4321
3-9
！
3.2.3 Output
HIGH VOLTAGE POWER SUPPLY ON/OFF
Turn ON/OFF the internal high voltage DC power supply.
Press the switch until it "clicks". It is then locked and the
internal high voltage DC power supplies is OFF.
To turn it ON, turn the knob to the right. It is unlocked and the
internal high voltage DC power supply is ON.
Figure3-12. Output area
When wiring for load or output is changed, be sure to turn OFF (push) this switch. Make sure that the OFF
lamp at the left of the switch lights before work.
Do not touch load or the output cable with the internal high voltage DC power supply ON. Otherwise,
electric shock may occur.
When the power is supplied, the internal high voltage DC power supply is always OFF regardless of
ON/OFF status of this switch. If this switch is ON, turn it OFF once and turn it ON again.
Figure3-13. Power supply and internal high voltage DC power
WARNING
！
HI GH VOLTAGE
POWER SUPPLY
PUSH OFF
ON
OFF
危険防止のた め、 出力の配線を 変更する と き は必ず
上のス イ ッ チ を 押し て Ｈ Ｖ 電源を ＯＦ Ｆ し て く だ さ い。
DANGER
OUTPUT Hi
PULL ON
危険防止の た め 、
出力中は出力ケ ー ブ ル に
絶対に 触れない で く だ さ い 。
± 10kV MAX
± 10mA MAX
Be sure to press the above switch to turn OFF the HV
power for safety when the output wiring is changed.
Never touch the output
cable during output for
safety.
Power switch
HIGH VOLTAGE
POWER SUPPLY
switch
Internal high voltage
power supply
Not ON
ON now
ON again