Hx1-Hx2 Manual-1.4.1 - Telos

26 | section 4
Receive AGC and Noise Gate Configuration 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 Configuration 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 Configuration 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 off, or set the number of rings before the
incoming call is answered and the placed on air as follows:
OPTIONS
Bit 3 Bit 4 Configuration Setting Value
OFF OFF Auto-Answer = OFF, [Factory Default]
OFF ON Auto-Answer = ON, Auto-answer after first 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 configuration setting
The 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. This 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 Configuration Setting Value
OFF No additional gain is applied [Factory Default]
ON +3 dB additional gain is applied to the audio sent to the caller