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3.2. Powering the Masterdock
The master dock must be powered from an external power supply plugged into the rear side
receptacle or with 4 C-cell batteries. External power supplies may be plugged into the wall or to a
12V cigarette lighter socket.
Refer to Figure 3-1 for the location of the AC power connection.
The battery compartment is located on the side of the Masterdock. Push up on the tab and then pull
up on the door to remove the cover. Rechargeable batteries may be used; however, the Masterdock
will not recharge those batteries when connected to an external source. Rechargeable batteries
must be removed and charged in an external charger.
3.3. Connecting Calibration Gas
Insert either 58L or 34L cylinder of calibration gas into the Calibration Gas Dock and thread into
place.
I
58L
F USING THE
CYLINDER
The Gas Gauge will indicate cylinder pressure. Cylinder pressure must be above 50 PSI to perform
a calibration or bump test. There is no isolation valve. The Masterdock controls flow automatically
through a solenoid valve.
The cylinder does not need to be removed between bump tests or calibrations. When cylinder
contents fall below 50 psi, remove from dock simply by unthreading the cylinder.
,
THE RUBBER SLEEVE MUST BE REMOVED FROM THE
Figure 3-2.
Installing Calibration Gas
10 of 20
NOTE
Masterdock Docking Station
Instruction Manual
C
G
ALIBRATION
AS
P/N 087-0045 Rev. E 01/10
D
.
OCK
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