18
19
Handset display icons
overview
• The battery is low and
needs charging.
• The battery charging in
progress.
• The battery is fully charged.
• Handset ringer is off.
• Keypad lock is on.
• Alarm alert is on.
CS1550 series only.
• Steadily ON: When
answering system is on.
• Flash: When new TAM
message is received.
• Speakerphone is on.
• Line is in use.
• Flash when there is an
incoming call.
• On when intercom call is
connected.
• Flashes when an incoming
internal call.
• On when the handset is
within the range of the
base.
• Flashes when the handset
is in marginal range to the
base.
• Off when the handset is
out of the coverage range.
• Left and right soft keys.
• More characters before
and after the text currently
displayed.
• Left soft key.
• Press to select menu
options.
• Left soft key.
• Press to select/ confirm/
save the current selection.
• On when new call is
received.
• More menu items existed
before and after the
current list.
• Right soft key.
• Press to make Intercom call
when idle.
• Return to previous menu
level.
• Cancel the current action.
• Clear a character or stop
the alarm.
• Mute/ umute during a call.
Telephone base
Overview
CS1500 series
1
2
CS1550 series
1
2
1 Charging pole
2 Press to page all handsets.
Telephone charger
Overview
1
1 Charging pole