3. SETTING AND ADJUSTMENT

ON TIME and TX TIME

These items show number of hours the radar has been turned on and transmitted, respectively. Value can be changed; for example, after replacing magnetron TX Time can be reset to 0.

PM GAIN ADJ

When you choose this item, the radar setting changes as follows.

RANGE:

24 NM

PULSE:

LONG

BLIND SECTOR:

OFF

STC:

OFF by Manual

RAIN:

OFF by Manual

ECHO STRECH:

OFF

ECHO AVERAGE:

OFF

VIDEO CONTRAST:

2-B

TUNE:

AUTO

1.Adjust the GAIN control so that a slight amount of white noise appears on the screen. Arcs for performance monitor appear on the screen (Fig.1).

2.Adjust PM GAIN ADJ so that outer arc just disappears (Fig.2).

13.5 - 18.5 nm

Approx. 0.6 nm (10 dB)

13.5 - 18.5 nm

Fig.1

Fig.2

3-11

Page 51
Image 51
Furuno 2137S-BB, 2837S installation manual On Time and TX Time, PM Gain ADJ