CDR-3250/80 TECHNICAL MANUAL
Issue 2.2 3-15
3-7.2.5 Gain. This function sets or changes the receiver gain control mode or selects the AGC decay time.
NOTE
Gain soft key selections are different depending on receive mode selected.
AGC decay time is fixed in both AM and FM modes at 0.05 seconds.
Additionally, the FM mode uses Fast Attack/Slow Decay in all bandwidths
greater than 6 kHz. Refer to the appropriate section below.
AM or FM Mode Selected.
Primary Soft Key Menu.
FREQ MODE BW SQELCH GAIN
MTR
MNU
NEXT
Press the GAIN key to select the AGC or MGC. The following menu appears.
GAIN Soft Key Menu.
AGC MGC CANCEL
MTR
MNU
NEXT
Press the AGC key to select automatic gain control, or press the MGC key to select manual gain control. If MGC is selected,
the following menu appears.
GAIN - MGC Soft Key Menu.
BKSP ENTER CANCEL
MTR
MNU
NEXT
Select the manual gain value using the keypad or main adjustment knob. Press the ENTER key when the desired manual
gain is displayed. Range = -000.0 dB to -127.5 dB in .5 dB steps.
Any Other Mode Selected.
Primary Soft Key Menu.
FREQ MODE BW SQELCH GAIN
MTR
MNU
NEXT
Press the GAIN key to select the AGC or MGC. The following menu appears. The numeric key labels in the display
indicate AGC decay times in seconds.
Courtesy of http://BlackRadios.terryo.org
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