How To Adjust The Transmission Frequency - Furuno CH-500 Operator's Manual

5. MENU OPERATIONS
4. Press the MENU key to backup the system settings. The system releases a series
of beeps to indicate that the data is saved, then the [System] menu appears.
5. Press the MENU key to close the menu.
How to restore your settings
1. Referring to section 5.5, open the [System] menu.
2. Press
Data] (partial settings), then press
ple below shows the full system settings confirmation window. Note that the title
at the top of the window changes depending on your selection.
3. Press
• [No]: No backup data is loaded, settings remain unchanged.
• [Load Internal Data]: System settings are loaded from the Transceiver Unit's in-
ternal memory and replace the current settings.
4. Press the MENU key to load the system settings. The system releases a series of
beeps to indicate that the data is saved, then the [System] menu appears.
5. Press the MENU key to close the menu.
5.11

How to Adjust the Transmission Frequency

If the system is receiving interference from a video sounder to other sonar on your
ship, adjust the frequency to reduce interference.
1. Referring to section 5.5, open the [System] menu.
2. Press
just] window appears.
FREQ. Shift
3. Press
mission frequency.
4. Press the MENU key twice to close the menu.
5-10
or to select [Load Backup Data] (full system settings) or [Load Preset
Are You Sure? No
Note: Current settings will be overwritten.
: Change
or to select [No] or [Load Internal Data], as appropriate.
or to select [TX Frequency Offset], then press
TX FREQ. Adjust
1 8 0. 0 k H z
:
: Change Menu: Apply
to increase the transmission frequency, or press
. A confirmation window appears. The exam-
Load Backup Data
Load Internal Data
Menu: Apply
( 1 7 1 ~ 1 8 9kHz )
. The [TX FREQ. Ad-
Frequency range and default
settings are dependent on
the transducer. This figure
shows the TX FREQ. Adjust
options for the 150 kHz
transducer.
to decrease the trans-