Furuno CH-37 - Manual (Page 31)

2-15
2.15 Sonar Menu Operation
Operating procedure
1. Press the MENU key on the sub panel 2.
2. Select the SONAR menu with the arrow keys on the sub
panel 2.
MENU : SONAR BOTTOM/3D DUAL E/S
TX RATE : 10
TX PULSE LENGTH : LONG SHORT
TX OUTPUT POWER : A B C(MAX)
TX EXT SYNC : OFF ON
IR : OFF ON
STABILIZER : OFF ON
COLOR : 16 8
RES. COLOR : LOG LINEAR SQUARE
EXIT : PRESS MENU KEY
Figure 2-14 Sonar menu
3. Select item and setting with the arrow keys. The selected
item is highlighted and the current setting is circumscribed
in white.
4. To turn off the menu, press the MENU key again.
Sonar menu description
TX RATE: Selects transmission repetition rate in ten steps. “1”
is the longest interval; “10” the shortest. Set to “10” for normal
use.
TX PULSE LENGTH: Selects Tx pulselength to “LONG” or
“SHORT.” The pulselength is adjusted automatically according
to the range setting in “LONG” or “SHORT” position. Set to
“LONG” for normal use.
TX OUTPUT POWER: Adjusts output power; “A” is for mini-
mum power and “C,” maximum. Set to “C” for normal use, and
use a low power when sea surface reflections or bottom echo
obscures fish schools.