3 Connecting to Power |
1. | Check that the AC mains voltage stated on the included power supply is identical to the AC | Important! |
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| mains voltage available where you will use your system. Using the power supply with a differ- |
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| ent AC voltage may damage the unit. |
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| Do not use any power supply other than the AC adapter supplied with the charger. | Important! |
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| Never connect the CU 400 charger to the PSU 4000 central power supply because the output |
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| voltage of the PSU 4000 is incompatible with the CU 400. |
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2. | Connect the DC cable of the supplied AC adapter to the DC 5 V jack on the charger rear panel. | Refer to fig. 1. | |
3.Connect the AC adapter to a convenient power outlet.
4.The charger is ready to operate. Note that both STATUS LEDs remain dark.
4 Charging 
| Rechargeable batteries (those included or those you may buy later) are delivered uncharged or | Important! |
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| partially charged. Therefore, you will need to charge each new battery before using it. |
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| Each charging slot features a tricolor STATUS LED that indicates the current operating status of the |
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| 4.1 STATUS LEDs | |||
| respective charging slot (">…<" marks an LED flashing in the respective color): |
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STATUS LED | Status |
---The charger is ready to operate, no transmitter is inserted in the charging slot.
orange |
| The battery inside the inserted transmitter is being checked. |
red |
| The battery is being charged. |
green |
| The battery is fully charged; the charging cycle is completed. |
>red< |
| Error. |
Table 1: STATUS LED indica- tions
1. | Check that a rechargeable battery is inside the transmitter battery compartment. | 4.2 Inserting a Transmitter |
| Do not try to charge a dry battery. | with a Battery Inside |
| If there is no battery inside the battery compartment, do not place the transmitter in a charging slot |
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| before you inserted a rechargeable battery into the transmitter. |
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2. | Make sure to switch the transmitter OFF before placing it in a charging slot. |
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| This is the only way to guarantee optimum charging. |
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3. | Insert the transmitter into the charging slot so that the display on the transmitter faces the LEDs on | Refer to fig. 2. |
| the charger. The charger will automatically power the transmitter via the charging contacts. |
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4.Never switch the transmitter ON during the charging cycle. This may cause the charger to false- ly indicate a completed charging cycle before charging is actually completed.
| If the transmitter has been switched ON by accident during the charging cycle, | Note: | |
1. | Remove the transmitter from the charger. |
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2. | Switch the transmitter OFF. |
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| 3. | Insert the transmitter into the charger. |
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The charging cycle will start automatically as soon as you insert a transmitter with a rechargeable battery into the charger.
STATUS LED |
| Status |
orange |
| The voltage and temperature of the battery are being checked. |
red |
| The battery is being charged. |
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| Charging time is approx. 1.5 hours for a completely discharged bat- |
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| tery and proportionately less for a partially discharged battery. |
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| Charging two batteries simultaneously will extend the charging time |
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| to 3 to 4 hours. |
green |
| The battery is fully charged; the charging cycle is completed. The |
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| charger has switched to trickle charging mode. |
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| You may remove the transmitter from the charger. |
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| Due to the charging process, the battery may heat up to +60°C. This |
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| is normal. |
4.3Charging Cycle
Table 2: Charging cycle
1. You may safely remove the transmitter at any time before the charging cycle is completed. | 4.4 Important Notes |
2.You may safely charge the battery inside the transmitter at any time, even before the battery is com- pletely discharged.
3.At ambient temperatures above +40°C, the charger may overheat. As a result, the charging cycle may take considerably longer or stop altogether (STATUS LED flashing red).
As soon as the ambient temperature drops below +40°C, the charging cycle will be resumed auto- matically (STATUS LED will be lit red).
4.If the battery heats up to more than +60°C during a charging cycle (e.g., due to high ambient tem- perature), the charging cycle will be stopped automatically (STATUS LED flashing red). Most batteries will be unusable after being heated up to more than +60°C.
5.Excessive vibrations may cause the charging cycle to be stopped (STATUS LED flashing red), restart- ed (STATUS LED is lit orange), or appear completed (STATUS LED lit green) ahead of time. Make sure
CU 400 | 7 |
