Bedienungsanleitung Multiplex ROYALevo9 (Seite 13 von 58) (Englisch)

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Instructions

Seite 13

ENGLISH

8. The transmitter battery

The ROYALevo is powered by a high-quality ready-

made battery pack consisting of 6 NiMH cells (Nickel-

Metal-Hydride) of the AA size. NiMH cells offer a much

higher energy density (capacity : weight) than NiCd

(Nickel-Cadmium) cells, and therefore provide longer

operating times for the same weight. They do require

slightly different handling and greater care, especially

when charging.

8.1. Battery management in the ROYALevo

8.1.1. This is what we have already

Battery voltage display

Most transmitters show the battery voltage in graphic

or numeric form.

Battery alarm

An audible alarm indicates the voltage falling below the

minimum level. In many transmitters the minimum level

can be set by the user.

Both features are available in the ROYALevo of course.

(Battery alarm Î 13.1.3.)

8.1.2. This is

NEW

The battery management in the ROYALevo monitors

the charge status of the transmiiter battery during all

operating conditions, even when the transmitter is

switched off.

In detail the following happens:

a. during charging

If the thransmitter battery is charged with more

than 50 mA via the charging socket, the charging

current is measured regularly and the charge is cal-

culated. The result is stored in the transmitters

memory..

b. during operation

Also during operation the current is measured and

the drawn charge is calculated and subtracted

from the available charge. In the status display 4

(ÎFehler! Verweisquelle konnte nicht gefun-

den werden..) the remaining battery charge is

shown.

Whenever the RF module is active (red LED flash-

ing), the residual operating time is calculated and

displayed. This figure is shown to give a rough idea

of how long the transmitter can be operated.

c. when the transmitter is switched off

Also if your transmitter „sleeps“ on the shelf, the

battery loses charge by the effect of self-discharge

(approx. 1.5% per day). The battery management

automatically reduces the available charge accord-

ingly.

Battery charge an residual values are only intended

as a guide. Tolerances and variations between in-

dividual examples, and the effects of battery main-

tenance schedules, can produce considerable dis-

crepancies.

8.1.3. This is what you must attend

To get battery management display as reliable as possi-

ble, please take care of the following:

a. Correction of th indicated battery charge

The battery management assumes a nominal ca-

pacity of 1500 mAh. After the battery has reached

ist full capacity (more than 5 charge/discharge cy-

cles) the true capacity can be set in the menu:

L , Transmitter parameter: Batt. charge

In steps of 50 mAh you can set the capacity meas-

ured by your charger.

If battery voltage of 6.5 V or below is de-

tected, the available charge is set to 0 mAh.

b. Use a suitable charger (Î 8.4.) and charge via

the socket

Only if the battery is charged via the socket the

battery management can work correctly.

c. chargin with constant current (1/10 C)

If the battery will be charged longer than calcu-

lated with the formula in chapter 8.4. the battery

management will limit the available charge at

1500 mAh.

8.2. The battery essentials in brief

x 6 cells, 1500 mAh, NiMH (Nickel-Metal-Hydride)

x Integral thermo-fuse (automatic reset)

x Standard charge (0,1 C = 150 mA) 12 hours

x Fast charge (1 C =1,5 A) = maximum charge current

with automatic cut-off

x Avoid deep-discharging (< 1V/Zelle)

x during longer storage (more than 4 weeks) avoid

temperatures above 30°C

8.3. Safety notes

The transmitter battery is responsible for

supplying power to the transmitter, and

therefore makes a vital contribution to the

unit’s operational security. For this reason it is

very important that you observe the following

instructions on charging and maintaining the

battery.

The transmitter battery is fitted with a thermo-fuse

with automatic reset which protects the battery

and transmitter from short-circuit, reverse polarity

and excessive current. The transmitter electronics

have no additional fuse! For this reason it is only

permissible to replace the battery with another

genuine MULTIPLEX transmitter pack!

Additional safety notes

x Batteries are potentially hazardous, and must be

stored out of the reach of children.

x Before each session check that the battery is in

perfect order. Damaged or defective batteries must

not be re-used.

x Never heat, burn, open or short out batteries. Do

not charge or discharge them at excessive currents,

overcharge or deep-discharge them, nor charge

them with reversed polarity.

x Place batteries on a heat-resistant, non-flammable

and non-conductive surface for charging, and do

not leave them on charge unsupervised.

x Do not make any modifications to the rechargeable

batteries. Never solder or weld direct to the cells.

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