Orion Dynamo Pro 17 Instruction Manual
INSTRUCTION MANUAL
Orion® Dynamo
#2307 Rechargeable 12V DC Mobile Power Station
™
Pro 17
Radio
Switch
Red
flashlight
Radio
volume dial
Radio
tuning dial
Spotlight
3/6/9V DC
output jacks
Flashlight
button
Spotlight
switch
Power
switch
Circuit
breaker
2 Amp
fuse
12V DC
output jacks
Indicator lights
Spotlight
hinge
AC charger DC charger Car battery clips
Figure 1. The Dynamo Pro 17 Rechargeable 12V DC Mobile Power Station.
Congratulations on your purchase of an Orion Dynamo Pro 17. The generous 17 amp-hour battery size provides power for more than twice as long as standard 7 amp-hour batteries before
recharging is needed. In addition to powering your astronomical instruments, the Dynamo Pro 17
also serves as a power supply for a multitude of devices. It includes a red lens flashlight for nightvision preservation, as well as an 800,000-candlepower halogen spotlight. The built-in radio will
keep you entertained while observing and informed during emergencies. The Dynamo Pro 17 can
even start your car if its battery is drained!
Customer Support (800)-676-1343
E-mail: support@telescope.com
Corporate Offices (831)‑763‑7000
Providing Exceptional Consumer Optical Products Since 1975
89 Hangar Way, Watsonville, CA 95076
IN 240 Rev. C 01/09
1. Operation
Fully charge the Dynamo before
using it for the first time.
Powering 12-Volt Devices
The Dynamo Pro 17 will operate up to two devices that are
powered by a 12V/10A car cigarette lighter-type plug. If your
12V device does not have a cigarette lighter-type plug, then
you will need to purchase an adapter (contact Orion or your
local electronics store). The tip of the plug will receive the positive charge (tip positive) from the Dynamo Pro 17, so make
sure the device to be powered is also tip positive. If the device
is tip negative, then an adapter is needed. (Some cigarette
lighter-type plug adapters allow you to switch between tip
positive and tip negative.) If both of the 12V sockets are being
used simultaneously, the total amperage of the 12V devices
together must not exceed 10 Amps.
Switch the power switch (Figure 1) to the “ON” position and
the green “READY TO USE” power indicator LED should
shine. Slide open the door to one of the 12V/10A output jacks
and insert the device’s 12V power plug.
Powering 3/6/9-Volt Devices
The Dynamo Pro 17 has three separate output jacks that can
be used respectively to power devices requiring 3, 6, or 9 volts
and no more than 1 Amp. The jacks accept standard DC power
plugs with a 2.1mm inner diameter and 5.5mm outer diameter.
The output from these jacks is tip positive. Using more than
one of the 3/6/9V output jacks at once is not recommended
due to the 1 Amp power limit.
To use these jacks, simply turn the Dynamo Pro 17 power
switch to the “ON” position and insert the device’s plug into the
appropriate output jack.
Operating the 12V Flashlight
The 12V flashlight located on the top of the Dynamo Pro 17
is a medium-power light that can be used to provide illumination to a small area. It has a red lens to preserve night vision
under dark skies. The flashlight can also be removed from the
body of the Dynamo Pro 17. Simply grab hold of the front of
the flashlight, and pull it out. You will notice that the flashlight is
tethered by a 10-foot long cable. For your convenience, there
is a cable-winder built into the rear of the flashlight. To expose
the cable-winder, fold back the rear cover of the flashlight.
You will also notice that there is a magnet on the rear cover;
this can be used to attach the flashlight to a metal surface for
“hands-free” applications.
To operate the flashlight, the Dynamo Pro 17 power switch
must be in the “ON” position. Press the flashlight button (Figure
1) once to produce a constant light. Pressing the button a second time will cause the flashlight to flash on and off steadily.
Pressing the button a third time will turn the flashlight off.
Operating the Spotlight
The spotlight is an 800,000 candlepower halogen light.
Although it has many useful applications, the use of such a
powerful light at astronomical gatherings is not advised.
To operate the spotlight, the Dynamo Pro 17 power switch
must be in the “ON” position. Flip the spotlight switch (Figure
1) to the “ON” position. The spotlight can be rotated about its
hinge (Figure 1) for easy positioning of its beam. Simply take
hold of the spotlight and move it to the position you want.
Operating the Radio
To use the radio, the power switch must be in the “ON” position. The radio switch (Figure 1) allows you to select between
FM radio, AM radio, or the internal siren. The internal siren is
for emergency situations.
To turn the radio on, rotate the volume dial clockwise until it
clicks on. The tuning dial allows you to adjust the frequency
to the desired radio station signal. To turn the radio off, rotate
the volume dial counterclockwise until it clicks into the off position.
2. Recharging the Dynamo
Pro 17
If the yellow “NEEDS CHARGING” LED indicator light is shining, the battery power is low and requires recharging. The
battery can be recharged from an AC outlet or from a DC
source, such as a car cigarette lighter.
Recharging the Dynamo Pro 17 with AC Current
Recharging the Dynamo Pro 17 with an AC current outlet
requires the included AC adapter. Do not use substitute AC
adapters. The AC adapter is stored in the compartment above
the car battery clips.
Press the power switch into the “CHA”, or charge position.
Then plug the small end of the AC adapter into the charge
input jack located at the rear of the Dynamo Pro 17, and plug
the other end of the adapter into a 110V AC wall outlet. The
red “CHARGING” LED light should come on indicating that the
battery is charging.
Charging should take around 14-20 hours, depending upon
how drained the battery is. The green “FULLY CHARGED”
LED light should shine when the battery is fully charged.
Unplug the adapter from the Dynamo Pro 17, and the “READY
TO USE” LED should shine again once the power switch is in
the “ON” position.
Recharging the Dynamo Pro 17 with DC Current
Recharging the Dynamo Pro 17 with DC current should be
done with the cigarette lighter outlet in an automobile. The
car’s engine must be operating during charging. The DC
recharging adapter is stored in the compartment above the
car battery clips.
Press the power switch into the “CHA” position. Plug the small
end of the DC adapter into the charge input jack located at
the rear of the Dynamo Pro 17. Make certain the car engine
is running, then plug the other end of the DC adapter into the
cigarette lighter in the car. The red “CHARGING” LED light will
come on indicating the battery is charging.
Charging should take about 5-8 hours. The green “FULLY
CHARGED” LED light should shine when the battery is fully
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