To Change The Frequency Setting To 50 Khz; To Change The Frequency Setting To 200 Khz; Hyperscroll; Noise Rejection - Eagle FISHMARK 640C Installation And Operation Instructions Manual

To change the frequency setting to 50 kHz:

1. From the Sonar Page, press
2. Press ↓ then → to Transducer Freq.|
3. Press |
EXIT

To change the frequency setting to 200 kHz:

1. From the Sonar Page, press
2. Press ↓ then → to Transducer Freq.|
3. Press |
EXIT
HyperScroll
See the entry on Ping Speed, which controls the HyperScroll feature.

Noise Rejection

See the entry on Advanced Signal Processing in this section.

Overlay Data

To change the digital data shown "floating" on top of the Sonar Page:
To select data for display:
1. Press
MENU
2. Press ↓ or ↑ to select Data Type|
to clear the menu.
EXIT
to clear the menu.
EXIT
|↓ to
O
VERLAY
|↓ to
MENU
50
|↓ to
MENU
200
| .
D ENT
ATA
ENT.
69
S F
ONAR EATURES
| .
H ENT
K Z
S F
ONAR EATURES
| .
H ENT
K Z
| .
ENT
| .
ENT