VTech DM221 ユーザーズマニュアル

6

The parent unit turns on after you have installed the parent unit battery or 

connected the parent unit to AC power (see pages 3 to 5). The battery icon 

indicates the battery status (see the table b

elow). The parent unit batte

ry is 

fully charged after 11 hours of continuous charging. See the table on page 19 

for battery operating time.
When the parent unit is operating in battery mode and the battery is low, you 

need to charge the parent unit without interruption for at least 30 minutes to 

give the parent unit enough charge to use for a short time. When operating in 

low battery condition, 

LOW BATTERY and   flash on the parent unit. The  

 light flashes and the parent unit plays short beeps to alert you.

The following table summarizes the battery charge indicators and actions  

to take.

The battery icon is off.

No battery is installed. The 

parent unit can be used 

only when it is connected 

to AC power.

Install the parent unit battery. 

Charge without interruption 

(at least 30 minutes).

 and 

 flash on the screen. 

The 

 light flashes.

The battery has very little 

charge and may be 

used 

for only a short time.

Charge without interruption 

(about 30 minutes).

The battery icon 

becomes solid 

.

The battery is fully charged. To keep the battery charged, 

connect it to AC power when 

not in use.

When you charge the battery pack initially or it is not used for a long period of time, 

charge it for 11 hours continuously. It takes longer to charge the battery when the 

parent unit is turned on. To shorten the charging time, turn the parent unit off.