Telos Hx1 - Page 34

26 | Section 4
Receive AGC and Noise Gate Conguration settings
SETTINGS Bits #7 and #8 jointly control the operation of the receive AGC and Noise Gate
processing functions. You can select how aggressively low level signals are brought up to the
nominal (+4 dBu) level using the following bit settings:
SETTINGS
Bit 7 Bit 8 Conguration Setting Value
OFF OFF Phone AGC = OFF, Noise Gate = OFF
OFF ON Phone AGC = 1/2 Full, Noise Gate = OFF
ON OFF Phone AGC = Full Noise Gate = OFF [Factory Default]
ON ON Phone AGC = Full Noise Gate = Normal
Auto-Answer Conguration settings
OPTIONS Bits #3 and #4 jointly control the operation of the Auto-Answer feature of the
hybrid. You can select between turning the feature o, or set the number of rings before the
incoming call is answered and the placed on air as follows:
OPTIONS
Bit 3 Bit 4 Conguration Setting Value
OFF OFF Auto-Answer = OFF, [Factory Default]
OFF ON Auto-Answer = ON, Auto-answer after rst ring
ON OFF Auto-Answer = ON Auto-answer after third ring
ON ON Auto-Answer = ON Auto-answer after eighth ring
Send extra gain to caller conguration setting
e Hx1 and Hx2 hybrid units have been designed to send a -9 dBu average level to the
telephone line, to meet the USA’s FCC regulations. OPTION Bit #5 adds 3dB of gain to the
send level heard by the caller. is should only be used when the hybrid is connected to a PBX
or in countries outside of the USA that permit a higher transmit level.
OPTIONS
Bit 5 Conguration Setting Value
OFF No additional gain is applied [Factory Default]
ON +3 dB additional gain is applied to the audio sent to the caller