5. Instruction
JCY-1800/1850 VDR/S-VDR Installation Guide
89
DOC No. 7ZPJD0387C
5.1.2. Power Supply Unit
5.1.2.1. Names and functions of each part of the Power Supply Unit
1) POWER SWITCH 3) POWER LED 8) BATTERY VOLTAGE TEST TERMINAL
2) FUSE 4) BATTERY ABN. LED 5) BATTERY OP. LED 6) FAN ABN. LED
Figure 5-3 Names of parts of the Power Supply Unit
Table5-2: Names and Functions of the Power Supply Unit
No. Names and Functions
1)
POWER SWITCH:
The main power switch of the Recording Control Unit.
2)
FUSE:
Glass fuse (5A) for protecting the power supply line from outside.
3)
POWER LED:
Lights when the AC power is supplied from outside. It turns off when the power is supplied by the
Battery at the time of blackout.
4)
BATTERY ABN. LED:
Lights up when the Battery is not ready.
5)
BATTERY OP. LED:
Lights up when the Battery is in operation.
6)
FAN ABN. LED:
Lights up when either of the two fans stops operation.
7)
BLACKOUT TEST SWITCH:
Used to test the blackout functions. When it is held down, the AC power from outside is shut out.
When it is released, the power is restored.
8)
BATTERY VOLTAGE TEST TERMINAL:
Used to measure the voltage of the Battery by a multimeter. The charging voltage can be
monitored when the equipment is operated by AC power. To monitor the battery voltage, be sure
that the POWER SWITCH is off.
(Battery voltage: +24V or more)
9)
FAN (2 sets: Right side of the Power Supply Unit):
Used to cool down the AC/DC power source. (Its rpm can be monitored)
5.1.2.2. How to operate the Power Supply Unit
1. Starting the power source:
1) Turn on the POWER SWITCH.
2) Then the POWER LED lights up.
2. Stopping the power source:
1) Before turning off the power source, press the CARD STOP SWITCH to stop the backup of CF CARD.
7) BLACKOUT
TEST SWITCH
9) FAN
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