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2-10
5.0
Voice Storage (GP1280 Only)
( Refer to Figure 2-6 and the UHF2 Voice Storage schematic diagram)
The Voice Storage feature is offered as standard in the GP1280 and as an Option board for
GP340/GP360/GP380 and GP640/GP680 models.
The Voice Storage feature enables users to:
Record and Playback Personal Memo (Reminders, Notes, etc.).
Send over-the-air an ÒOut-Of-OfÞceÓ message when an incoming call is received but is not
available to take up call.
Over-the-air recording of important voice message being received.
RX_AUD_RTN
VS_GAINSEL
FLAT_RX_SND
VS_AUDSEL
Figure 2-6 Audio path for voice storage connection to interface connector
VDD
R634
560k
C610
0.1uF
EXT_MIC
C608
0.1uF
R637
18k
R639
560k
R641
R640
1.8k
10k
1M
0.1uF
THEORY OF OPERATION
VDD
VDD
ANA_NEG
ANA_POS
AUDOUT
AMCAP
VSS
C613
0.1uF
VDD
R642
R643
1M
56k
C617
0.01uF
C618
R644
1nF
5.1k
ZWG0130354-0
ZWG0130354-O