Model VR240 Audio Logging Recorder
3-34
January 2000
b. To set the Off Hook level:
Channel
selects the channel for which the off hook voltage is to be adjusted, and
shows its current value on the upper line of the display. You may also use
the vertical or side-to-side arrow keys located under the keypad to scroll
through the channels.
Decrease
and
Increase
Adjust the Off Hook voltage using the
Decrease
and
Increase
soft keys.
Done
saves your parameter change for that channel. You must press this soft
key once for each board.
3-32. AUTOMATIC GAIN CONTROL (AGC).
AGC (Automatic Gain Control) enables or disables AGC on each record channel. The factory
default is “On.” Leaving AGC enabled for telephone channels is recommended to bring both
sides of the conversation to a closer level. For radio channels we recommended that the AGC
be disabled.
a. After pressing the
Config
and the
>
(next) soft key, press the
Board
soft key. Then
press the
>
(next)
soft key. Then press the
AGC
soft key.
OFF HOOK LEVEL: Channel 01 : 32 volts
Channel Decrease Increase Done
CONFIGURE BOARD 1: Chan 1-8 (Telephone)
< AudioGain Beep OffHook
AGC
>