User's Manual
5
EXTERNAL POWER SUPPLY
The Sightmark Photon RT can be powered by an external power supply such as a 5V power bank or even your
personal computer.
To connect the Photon RT to external power:
1. Connect the provided microUSB cable to the USB port (8) on the riescope.
2. Connect the other end of the USB cable to a power bank or PC.
3. On the riescope’s display two icons will appear, plug icon (power) and computer icon (storage device). Select
the plug icon by rotating and pressing the controller to select.
4. The battery icon on the display will switch to the plug icon. The riescope is now operating using the external
power only.
Note: When AA batteries are in the unit and an external power source is used, the unit operates on the external power source only. When the unit is
disconnected from a power bank or external power supply, the Photon will automatically switch to internal batteries. When using rechargeable AA
batteries in the Photon RT, plugging the Photon RT into an external power source DOES NOT recharge the batteries in the unit.