8879 Receiver Controls and Indicators
ON OFF
Press the ON OFF button to turn the R
ECEIVER
on or off. Upon turning the unit on, it will
load the settings from the previous usage. Upon turning the unit off, the settings will be
saved within the unit to be recalled next time the unit is used.
Note: Unit will automatically shut off if no keys are pressed within a 10 minute period.
FREQUENCY
Press the FREQ button to switch the R
ECEIVER
frequency from
82 kHz, 8 kHz, 815 Hz, 50/60 Hz and RF. With each press of the key, it
will toggle through the frequencies in order.
DEPTH
Pressing the DEPTH button will cause the R
ECEIVER
to first display the mode of the
depth (Line or Sonde) and then the depth will be measured. To change the Depth
Measurement from English to Metric, hold SHIFT and press FREQUENCY. To change
LINE and SONDE use the LINE/SONDE key.
GAIN
Button (Up or Down)
Used to adjust the gain level for the receiver. When the GAIN button is pressed, the
R
ECEIVER
will adjust the gain up or down. If the signal strength shows as “
---
” on
the display and a GAIN up or down key is pressed, the unit will automatically
adjust to 90 on the scale display.
BUBBLE LEVEL
(For 45 Degree Depth)
DISPLAYS ABSOLUTE
SIGNAL STRENGTH OR
DEPTH
FREQUENCY
INDICATOR
ADJUSTS GAIN UP OR DOWN OR SETS
OPTIMUM GAIN WHEN SIGNAL IS OFF
BARGRAPH SCALE
ON/OFF BUTTON
SELECTS
FREQUENCY
(with SHIFT key
selects either
english or metric depth measurement)
MEASURES DEPTH
MEASURES TRANSMIT-
TED SIGNAL FLOW IN
CONDUCTOR
(Using SHIFT KEY for turn-
ing on and off BACK-
LIGHT)
USED WITH
OTHER BUTTONS
TO SELECT
ADVANCED
FEATURES
SELECTS
PEAK, PINPOINT
PEAK OR NULL
INDICATES
BATTERIES NEED
TO BE REPLACE
D
MODE INDICATOR
RELATIVE
SIGNAL STRENGTH BAR-
GRAPH
(single bar
shows gain setting)
SELECTS
VOLUME
Off, Low,
Medium,
or High
SELECTS LINE OR SONDE
DEPTH MODES
8
RF