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_BITTEL
Page 5 of 11 HWD9888 (48) TSD-NS
12.
LED indicator for system working .
13.
VOL key --
Off- hook mode three steps volume adjustable.(On-hook as Exit )
14.
SPKR key –
Activates speakerphone function with LED indicator
.
15.
Redial key –
Dial the last number dialed and dialed number disappear after
5 minutes.
16.
Flash key
--
Enters a 600ms hook switch flash for accessing
special telephone system features
17.
SPKR MIC.
18.
MWL –
Ringing and new call indicator , press it to read the message
directly after off-hook .
19.
Mute key—a.
Press this key to shut off sound for sending without hanging
up on caller( with LED indicator).
b. On hook mode for registering the device.
20.
Hold key –
Places a caller on hold with LED indicator.
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