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42 DS400 and DS500 Digital Fishfinders
4.2 Fishfinder Operation Controls
The fishfinder operation menu items are outlined in Table 4-1 .
Table 4-1: Fishfinder Menu Items
Menu Sub-Menu Options Default
Scroll Speed — ON,
PAUSED
ON
Range — AUTOMATIC,
MANUAL
AUTOMATIC
Frequency — AUTOMATIC,
200 kHz MAN,
50 kHz MAN,
DUAL MAN
AUTOMATIC
A-Scope — OFF,
ON-1,
ON-2,
ON-3
OFF
GAIN MODE... GAIN AUTO FISHING,
AUTO TROLLING,
AUTO CRUISING,
MANUAL (0–99%)
AUTO FISHING
COLOR GAIN AUTOMATIC,
MANUAL (0–99%)
AUTOMATIC
TVG
(Time Variable Gain)
AUTOMATIC,
MANUAL (0–100%)
AUTOMATIC
. Sounder In Rej. AUTOMATIC,
LOW,
HIGH
AUTOMATIC
Second Echo Rej. OFF,
LOW,
HIGH
LOW
Power AUTOMATIC,
MANUAL (10–100%
in 10% increments)
AUTOMATIC
Max. Ping Rate 5–30, in increments of 1 30