1.2
FEATURES AND FUNCTIONS
Refer to Figure 1. Terms in all capital letters correspond to the labels on the DRS-
100 panel.
1.
REC. OUT:
This female RCA jack allows topside personnel to record under-
water sounds. Use a male RCA plug and any recorder.
2.
LOW bATT.:
This LED will illuminate
red
(flashing) when the battery level
reaches approximately 20 volts. The unit can operate with as little as 12 volts.
Note: Recharge the batteries as soon as possible after the low-battery light
illuminates.
3.
PWR. ON:
This green LED will illuminate when power is
on.
4.
TONE/RECALL:
This LED illuminates
red
when the
continuous tone
is
utilized and
green
when the
intermittent tone
is activated.
5.
Panel RELIEF VALVE:
Open this valve when charging the internal recharge-
able batteries. It must be completely open (counterclockwise) when charging
(see charging instructions), and closed during normal operation to prevent
water from entering the housing.
Also be sure to open the valve to maintain equalized pressure if the DRS-100
will undergo airline shipment.
6.
XDUCER:
This jack is used to connect the underwater transducer to the DRS-
100 unit.
7.
EXT PWR/CHG:
This jack is used to charge the internal batteries or to use
Figure 1. Features of the DRS-100B
3
