4-15
•
The entered values will return to the defaults whenever the deck unit is powered down.
•
The deck unit will report “
no return within range gates
” when the max time for the
maximum range gate has passed.
4.
Press <
RNG
> to enter the ranging mode. The frequencies for interrogate and reply being used will
be displayed. If changes are required, go to the menu.
5.
Press <
ENT
> to commence ranging. The range will be displayed when it is received. The range is
displayed in meters and milliseconds.
6.
To use the repetitive ranging capability, first, enter a repetition rate. This can be changed under
the range set up menu. Next, select
More Options
and then Repetitive Rate.
•
When pressing the <M/R> key in ranging mode, the system will switch between manual
and repeat mode. The 8011M will start a ranging operation once every [entered number
of seconds] when in the repeat mode.
•
To exit the repeat mode, press the
<M/R>
key to return to manual ranging. The power-
up default value for the repeat rate is once every 8 seconds.
7.
The default speed of sound in water used by the 8011M is 1500 meters per second. This can be
changed by using the range setup menu. To enter a speed of sound, first press <
MENU
> select
Range Set Up
, then
More Options
.
•
Item 2 is sound speed select this item and enter the new sound speed. The range for the
speed of sound is 100 to 2000 meters per second.
8.
Slant or horizontal ranging can be used in the 8011M. If the display under
More Options
reads
‘
Switch to Slant Range Mode,’
then the system calculates horizontal ranges. To switch to Slant
Range Mode, select it.
•
If the display under
More Options
reads ‘
Switch to Horizontal Range Mode,’
the system
calculates slant ranges. To switch to Horizontal Range Mode, select it.
•
To switch to horizontal ranging, enter the depth of the deck unit's dunking transducer and
the depth of the underwater unit’s transducer.
•
The power-on default mode is slant-range.
