Furuno 2837S - Manual (Page 51)

3. SETTING AND ADJUSTMENT
3-11
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).
Approx. 0.6 nm
(10 dB)
13.5 - 18.5 nm 13.5 - 18.5 nm
Fig.1 Fig.2