1. OPERATIONAL OVERVIEW
1-27
1.17 How to Tune the Receiver (Magnetron Radars
Only)
Your magnetron radar has a tuning function (automatic or manual). For solid-state ra-
dars, tuning is not available.
1.17.1 How to select the tuning method
Tuning of the magnetron is typically done at installation and is not normally required
unless you have replaced the magnetron.
1. Select the [TUNE] button, at the top of the InstantAccess bar
™
, to change the tun-
ing method. The tuning box is displayed as "TUNE AUTO" or "TUNE MAN", de-
pending on the currently selected tuning method.
2. Left-click to toggle between automatic and manual tuning.
1.17.2 How to initialize tuning
Automatic tuning is initialized at installation. Howev-
er, if you feel that the automatic tuning is not func-
tioning properly, re-initialize it by following the
procedure below.
1. Open the menu.
2. Select [2 ECHO].
3. Select [4 TUNING INITIALIZE].
The indication "TUNE INIT" appears in yellow
characters at the top of the display during the ini-
tialization.
4. Close the menu.
1.17.3 How to tune the receiver manually
1. Select the 48-mile range from the [RANGE] box. Left-click to lower the range;
right-click to raise the range.
2. Select manual tuning following the procedure in section 1.17.1.
3. Place the arrow on the tuning level indication.
4. Spin the scrollwheel to adjust tuning. The best tuning point is where the bar graph
swings maximum. The tuning control position is indicated with a triangle, dis-
played inside the tuning bar.
Tuning
level
indication
Tuning method
Shown as “TUNE MAN”
or “TUNE AUTO”.
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