Parameter Edit Modes - E.F. Johnson LTR-Net 7243 Service Manual

7.5vdc 1 and 4 watts part no. 242-7243-xxx
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5.16.5 PARAMETER EDIT MODES

General
Some levels set during alignment can be manu-
ally controlled by selecting the Parameter Edit mode.
This mode is selected and controlled by the following
keys:
Red Button on Top Panel - Enables and disables
the Parameter Edit mode indicated by the
in the display.
"*"/"#" - Press the "*" key to increase the setting
and the "#" key to decrease the setting.
FCN 0 - Saves the current setting and exits the
Parameter Edit mode.
FCN 3 - Does not save the current setting, restores
previous setting, and exits the Parameter Edit
mode.
FCN GRP - Changes the edit value to "0".
Selecting Parameters
The parameters that can be selected and the key
sequence used to select each are as follows:
FCN 5 (Receive RF Bandpass Filter) - Changing
the number changes the center frequency.
FCN 6 (Receiver Squelch) - Increasing the
number selects a tighter squelch setting for the
icon
currently selected channel bandwidth.
FCN 7 (Modulation Balance) - Increasing the
number increases the signal level at the modula-
tion summing point.
FCN 8 (Audio Deviation) - Increasing the number
increases the transmit audio level.
FCN 9 (Data Deviation) - Increasing the number
increases the data deviation level.
FCN 0 (RF Power Output) - Increasing the
number increases the power output level for the
selected range.
5-11
ALIGNMENT PROCEDURE
November 2001
Part No. 001-7240-001

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