Quick Reference Guide - Rear Panel Switches

SETTINGS		Function
Bit 1	Bit 2	EQ LO, Fixed dB Gain Adjustment
OFF	OFF	0 dB adjustment (factory default setting)
OFF	ON	+2 dB adjustment
ON	OFF	+4 dB adjustment
ON	ON	+6 dB adjustment
Bit 3	Bit 4	EQ HI, Fixed dB Gain Adjustment
OFF	OFF	0 dB adjustment (factory default setting)
OFF	ON	+2 dB adjustment
ON	OFF	+4 dB adjustment
ON	ON	+6 dB adjustment
Bit 5	Bit 6	Ducker dB Gain Adjustment
OFF	OFF	Full Duplex (no attenuation)
OFF	ON	-6 dB attenuation (factory default setting)
ON	OFF	-12 dB attenuation
ON	ON	Half Duplex
Bit 7	Bit 8	AGC and Noise Gate Settings
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 setting)
ON	ON	Phone AGC = Full, Noise Gate = Normal

OPTIONS		Function
Bit 1	Bit 2	DDEQ Configuration
OFF	OFF	DDEQ = OFF
OFF	ON	Fixed EQ (Use SETTING Bits 1-4 to set levels)
ON	OFF	Adaptive EQ (factory default setting)
ON	ON	Adaptive + Fixed EQ (Use SETTING Bits 1-4 to set fixed levels)
Bit 3	Bit 4	Auto-Answer Configuration
OFF	OFF	Auto-Answer = OFF (factory default setting)
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
Bit 5		Send Additional Gain to Caller
OFF		No additional gain applied (factory default setting)
ON		+3 dB additional gain applied
Bit 6		Hx2 Internal Mix-Minus Enable
OFF		Disabled, Independent Mode (factory default setting)
ON		Enabled, Coupled Mode
Bit 7		Feedback Reduction Enable
OFF		Acoustic Echo Canceller disabled (factory default setting)
ON		Acoustic Echo Canceller enabled
Bit 8		Reserved
OFF		Reserved for future use (default factory setting)
ON		Not recommended