TECO UA1610, Service Manual

Page: 232 / 388

S-137
(4) SOFT SWITCH: #04
• Bit 3: The alarm lasts for 3 seconds after a negative signal is detected in G3 mode.
• Bit 4: The display message will stay put on the LCD for 3 seconds or until next incoming
T30 signal.
Bit
No.
Designation Function
Initial
Setting
Bit HEX
8 Reserved Reserved 0
0
7 Reserved Reserved 0
6 Reserved Reserved 0
5 Reserved Reserved 0
4
Visible alarm
for RTN signal
0: No
1: Yes - display message while sending /
receiving RTN signal (RTN= Return To Nega-
tive).
1
C
3
Audible alarm
for RTN signal
0: No
1: Yes - alarm for sending or receiving RTN sig-
nal. 1
2 Reserved Reserved 0
1
Polarity change
detection
0: Not to detect phase reverse during dialing &
calling
1: Detect line phase reverse during dialing & call-
ing
0
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