Parks 915-BL Operating & Service Manual page 5

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1. Manufacturer's Label
Lists serial number (SN), part number,
model, and date of manufacture.
2. Battery Indicator Lamp
This lamp lights when the unit is turned on.
Blinking lamp warns battery needs charging.
3. Power Control Knob
The center position turns instrument off.
Turn switch to the left for 2 MHz probes.
Turn switch to the right for 8 MHz probes.
4. 2.1-2.25 MHz (Specifi ed) Probe Jacks
The low-frequency precordial probe
plugs into these jacks.
5. 8.0-9.9 (Specifi ed) MHz Probe Jacks
The high-frequency pencil probes and fl at
probes plug into these jacks.
6. Battery Charger Indicator Lamp
This lamp lights when the unit is charging.
DUAL-FREQUENCY DOPPLER DUAL-FREQUENCY DOPPLER DUAL-FREQUENCY DOPPLER DUAL-FREQUENCY DOPPLER
MODEL 915-BL MODEL 915-BL MODEL 915-BL MODEL 915-BL
PARKS MEDICAL ELECTRONICS, INC. PARKS MEDICAL ELECTRONICS, INC.
ALOHA, OREGON U.S.A. ALOHA, OREGON U.S.A.
FLASHING LIGHT FLASHING LIGHT
INDICATES LOW INDICATES LOW
TYPE B TYPE B
BATTERY BATTERY
APPLIED PART APPLIED PART
MEDICAL EQUIPMENT MEDICAL EQUIPMENT
LOW LOW OW HIGH HIGH H
ON OFF ON ON OFF ON N OFF O
PROBES PROBES
24 V 24 V
0.63 A 0.63 A 0 63 A
2.1 MHZ 8.3 MHZ
KEEP ON CHARGE WHEN NOT IN USE KEEP ON CHARGE WHEN NOT IN USE
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Front Panel
24 V
0.63 A
10. Cautery Suppressor Indicator Lamp
11. Volume Control Knob
915-BL Dual Frequency Doppler
Equipment Description
0197
VOLUME VOLUME
SUP. ON S SUP. ON
SUP. OFF SUP. OFF SUP OFF
CAUTERY SUPPRESSOR CAUTERY SUPPRESSOR
CHARGER HEADPHONES CHARGER HEADPHONES HEADPHONE
HARGE WHEN OT IN USE
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7. Battery Charger Jack
The battery charger plugs into this jack.
8. Headphone Jack
Optional headphones plug into this jack.
9. Cautery Suppressor Control Knob
This knob controls the amount of cautery
noise that is cut out.
The full counterclockwise position turns the
cautery suppressor off (SUP OFF).
Turning the knob clockwise cuts out more
noise.
This indicator lamp is lit only when the
cautery suppressor is on (SUP ON).
This knob controls the Doppler sound level.
Turning the knob clockwise increases the
volume.
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