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Figure 1 depicts the SP-100D2 panel. The numbered text below is the key to the
indicated items in Figure 1. Text in all capital letters refers to the label on the
panel.
1.
VOLUME:
2.
Phillips pan-head
screw:
3.
12 VOLTS
4. SPEAKER switch: If a headset is to be used, the front-panel speaker can be
5. MICROPHONE:
6. XDUCER:
7. RECORD OUT:
8. CHANNEL:
9. SPEAKER:
SECTION 2
FUNCTIONS
Use the volume control to adjust the front-panel speaker
listening volume. The volume is increased by clockwise
rotation and decreased by counterclockwise rotation.
One of eight #8-32 Phillips pan-head front-panel screws.
These screws are removed to take off the front panel for
access to the battery holders or the electronic module.
This connector is used for an external 12-volt DC power
source. Ensure the source has a minimum of 1 amp cur-
rent. We recommend that you use the supplied double
mini banana plug (the EPP-2 external power cable).
turned off via this switch.
This receptacle is used for the HHM-3 hand-held, push-
to-talk microphone (supplied with the SP-100D2).
This female bulkhead Amp connector is used for con-
nection of the 35-foot transducer cable. Ensure that the
o-ring is in place before connection. When the connection
is made to the TCA-35 transducer, the unit will power up
and stay powered up until the transducer is disconnected.
(Note: After disconnection of the transducer, there is a
45-second delay before power is turned off.)
A recorder can be connected here. The signal level is "line-
out," suitable for most video and audio recorders. This feature
is useful for situations where documentation is important.
The channel switch is designed to select Frequency A
(Channel 1, switch to the left) or Frequency B (Channel
4, switch to the right).
The front-panel speaker for listening to communications.
3
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