Omega Vehicle Security 1400 User Manual
Hardware
3-3
Power Aspects
Changing the Voltage Setting
Based on your order, your ChartScan system was set at the voltage indicated by a sticker or tag (located on the rear
of the unit, near the power switch). If you need to change the voltage selection, complete the following steps.
of the unit, near the power switch). If you need to change the voltage selection, complete the following steps.
WARNING
WARNING
WARNING
WARNING
Never disassemble ChartScan’s case while it is connected to the AC power line! Internal
voltage potentials exist which could cause bodily injury or death!
Prior to disassembly:
Prior to disassembly:
(1) turn off power
(2) disconnect analog lines
(3) disconnect AC power line
(4) disconnect all additional lines
(2) disconnect analog lines
(3) disconnect AC power line
(4) disconnect all additional lines
WARNING
WARNING
WARNING
WARNING
Never disconnect the AC power line from ChartScan while analog connections to an
external device exist! Common mode voltage potentials exceeding 60 VDC or 30 Vrms may
exist which could cause bodily injury or death!
exist which could cause bodily injury or death!
CAUTION
CAUTION
CAUTION
CAUTION
Use approved ESD precautions, including static-free work area and grounded wrist strap,
when handling circuit boards and electronic components. Failure to do so could cause
equipment damage due to electrostatic discharge.
equipment damage due to electrostatic discharge.
1. Ensure the ChartScan is not connected to any power source.
2. Remove two upper side screws (near front of unit, and on side of unit) and slide top cover plate free of
2. Remove two upper side screws (near front of unit, and on side of unit) and slide top cover plate free of
ChartScan unit.
3. Locate the two-position slide on the power supply board. You will notice the switch above the AC
power inlet. The number visible (115 or 230) indicates the selected power setting.
4. As indicated in the figure, press down on the switch to change the setting from 115VAC to 230VAC;
or, to change the setting from 230 to 115VAC, you press up on the switch.
5. Replace ChartScan’s cover plate and secure with screws.
6. Add a new sticker, or tag, stating the newly selected voltage.