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[[Image:O4_back_.png|400px|none]] | [[Image:O4_back_.png|400px|none]] | ||
====O4 | ===DC POWER SUPPLY AND POWERING ON=== | ||
O4 instrument is DC power supplied through USB 3.0 Power Delivery protocol, provided by USB computer port or external DC supply. | |||
When computer is able to power O4 (8 W) through one cable, the LEDs in the back panel are lighted as shown below: | |||
[[File:O4_power_1.png]] | |||
====OLD PC==== | |||
When the computer port is not powerful enough to supply O4, this could happen witj old PC withour USb 3.0 port. Then a back-up power is required, with 5 volts and 2 amperes max. specification. | |||
In case of back-up powering, please follow the instructions: | |||
1. Connect the back-up power first and wait until the LED turns green | |||
[[File:O4_power_2.png]] | |||
2. Connect the first USB port to PC and wait until the LED turns green. | |||
[[File:O4_power_3.png]] | |||
All the connections of O4 instruments comply with SELV (Safety Extra Low Voltage) conditions. | |||
===OR35/OR36/ORMP/OR38 Teamwork instruments=== | ===OR35/OR36/ORMP/OR38 Teamwork instruments=== |