OL5815 User Manual
25
26 Call Timer
1.
The call timer comes up automatically when you are in TALK mode, on the 3
rd
line of the display. After 10 seconds,
the call timer will appear as dialing activities are completed.
2.
The call timer counts up to 999 minutes and 59 seconds. After that, the timer will show ‘0:00’
3.
When handset goes idle (on hook), the call timer will remain on the display for 5 seconds.
27 Battery/Voltage Low Detection
1.
Battery detection is engaged at all times, except while the Handset is charging.
2.
If a low battery condition is detected, then the Handset will enter into ‘Battery Low’ condition, and will beep at
10-second intervals. Your Handset will change to ‘Halt’ mode immediately
and continue to beep. If the Handset is in
TALK mode, it will change to ‘Halt’ mode immediately and continue to beep after the call ends. The display will
show ‘BATTERY LOW’.
3.
Once the battery is recharged, the Handset will return to normal operation.
28 Mute
1. Press
‘
MUTE
’ to mute your microphone while in TALK (off hook) mode. You can hear your party, but they can’t
hear you. Press ‘
MUTE
’ again to return to normal, two-way conversation.
29 Changing Volume
1.
You can adjust the volume level (3 levels) in TALK mode. Press ‘
DELETE
’ (
VOL +
) to increase the listening
volume or ‘
CALLS
’ (
VOL -
) to decrease the listening volume while you are on a call.
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