ATCOM 5520 User Manual page 12

Soft buttons Press to select an feature shown in the soft button features
Soft button Shows available choices based on current phone function
features displayed on the last line of LCD screen
Status Shows the phone status, if the phone is standby, the LED is
with light. If there is income calling, the LED will flicker.
LCD Screen Display screen for the phone: It shows the date, time, phone
number, incoming caller's ID(if available),line/call status,
extension numbers and the soft button features.
Lines Shows extension number and status.
There are three colors for LED, red，yellow and orange.
failed, the LED shows orange
flicker
frequency is 500ms off,500ms on.
frequency is 1000ms off,1000ms on.
Allows users to navigate(left, right, up, down), on the standby,
Navigation
up and down shows the network information, right shows the
button
lines information, left shows the call record.
For entering numbers, letters or characters.
Dial pad
All the function key can be defined as memory key/line/key
Function Key
event to realize different function.
Menu Come into Keypad menu
Describe of the buttons and Screen:
If the phone is starting ,the LED is flicker
If the phone is standby, the LED is off
If there is income calling, the LED will flicker. The
frequency is 500ms off, 500ms on.
When have voicemail, LED shows red and flicker, and
the frequency is 1000ms off, 1000ms on.
If the phone not obtain the IP address, the LED is ON
If the line is registered, the LED shows yellow
If the line is enable registered but register to server
If the line has income calling, the LED shows red and
If the line is on the calling , the LED shows red
If the line disable for register, the LED is off.
when there is the incoming call , LED blinks, The
When have voicemail, LED shows red and flicker , The
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