Seiwa SW RP05 - Manual (Page 5)

Press the key 1/2 second to adjust the backlight level for
night viewing. Each time you press the key 1/2 second, the
level will get brighter 1, 2, 3, 4, OFF, 1, 2, ... etc. The blue
backlight ON/OFF control wire in cable #2 must be switched
to +12/24V for the backlights to work.
Selecting Feet, Metres or Fathoms:
While viewing the depth display quick press both the
and
keys simultaneously. Each time you do this, the units will switch.
Setting Shallow Alarm:
Press and hold the
key for ten (10) seconds until you hear
a long beep. The Shallow Depth Alarm value will be displayed.
Use the
and keys to set the desired alarm value. Press the
key to save the shallow alarm value to memory.
Setting Deep Alarm:
Press and hold the
key for ten (10) seconds. You will hear
a beep and the Deep Depth Alarm alarm value will be
displayed. Use the
and keys to set the desired alarm
value. Press the key to save the deep depth alarm value
to memory.
Setting Anchor Drag Alarm:
After anchoring, set the shallow alarm a few feet more shallow
than the actual displayed depth. Similarly set the deep alarm
a few feet deeper than the actual displayed depth. Make
allowances for local tidal changes to prevent false alarms.
Setting Keel Offset:
While viewing Depth, press the
and keys for ten (10) second
until you hear a long beep. The keel offset will be displayed. Use
the
and keys to change the value and press the key to
save your entry. The keel offset will be added to the displayed
value of the depth. A negative keel offset is used to enable the
T91.05 to display depth below the keel or transducer. A positive
keel offset enables you to display actual water depth when the
transducer is placed below the surface level by up to 20 feet.
Setting Display Damping:
While viewing Depth press and hold the , and keys for
ten (10) seconds until you hear a long beep. The display damping