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Explorer 240/395 Series: Headset Controls and Indicators

 ActionIndicator Light Tone 
Turn Headset On or OffOn: Slide the Power Switch to the "On" position.
Off: Slide the Power Switch to the "Off" position.
On: Short blue flash
Off: Long red flash, then turns off 
 On: Four rising tones
Off: Four descending tones
Answer/End a Call Tap the call control buttonNoneBrief low tone at the beginning or end of the call.
Reject an Incoming Call Press and hold the call control button until you hear a low tone. NoneLow tone
Missed Call Indicator Briefly press any button to cancel the indicator light. Two simultaneous red/blue flashes, a pause, then two more red/blue flashes (repeating for 5 minutes or until cancelled).None
Make a Call Enter the number on your phone and press the Send button. Blue flash every 2 seconds until the call is ended. Ringing
Battery Level To check, simultaneously press and hold both the call control and volume buttons for about 2 seconds.  The indicator light flashes to show the charge level. 1 red flash - more than 2/3 full
2 red flashes - 1/3-2/3 full
3 red flashes - less than 1/3 full
None when checking level.
Low battery tone indication: 3 tones when under 5 minutes talk time remaining.
Adjust the Volume (during call) Tap the Volume button to increase through 4 levels; tap at the top level to return to the lowest volume setting.Single blue flash for every volume change.Low tone at every volume level change.  (Two tones at maximum volume level.) 
Voice Dial Press and hold the call control button until you hear a tone.NoneSingle low tone: phone may prompt with "Name please" or tones.
Redial Last Number Tap the call control button twice.NoneTwo brief low tones
Transfer a Call from Headset to Phone
or from Phone to Headset
While the call is in progress, press and hold the call control button until you hear a tone.NoneLong low tone when moving to phone; short low tone when moving to headset.

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