Quick Reference ds32a v2.1.cdr
Contents
1. See Over b Batteries need replacing e No Sound a Increase Volume setting b Check headphone fit See Over e Unexpected interference sounds a Radio station or electromagnetic pickup Change position location b Continuous Buzzing Diaphragm loose tighten Diaphragm Ring c Other noises Possible dust lint or moisture inside Probe Turn off device In dust free environment unscrew Diaphragm ring Wipe inside surface of diaphragm and sensor with an alcohol swab Do not touch brass sensor plate or diaphragm with fingers Allow to dry evaporate naturally then close unit e Problem unsolved Contact Thinklabs See Over for contact information J 2005 2006 Thinklabs inc ds32aumqr v2 1 Rhythra ds32a O Z BELL DIAPHRAGM 3 Thinktabs Volume Control behind Control Panel active Se DIGITAL STETHOSCOPE Power On Click to turn on Power Off auto or manual Shuts off automatically after 2 minutes OR Push amp Hold until all LEDs light Release time is programmable up to 5 minutes J Advanced Use Preset and Save all your power on Mode preferences Program the ds32a to power up in most recent Modes or in your preset configuration Recent Mode wakeup Push Hold Power key 5 secs Red LED flashes slowly Release Preset Modes 1 Set ds32a in your preferred modes ALL Modes are memorized 2 Set auto shutoff time Click the Power key the number of minutes ds32a2. should stay on before auto shutoff 2 3 4 or 5 minutes 3 Push Hold Power key gt 10 secs Red LED flashes faster Release http www thinklabsmedical com ds32a for detailed User s Manual Thinklabs
3. Call 303 521 5023 or service thinklabsmedical com for assistance 63 Thinklabs Quick Reference See Over for Getting Started guide x Amplify Mode Blue LED On Amplified Volume is Adjustable LED Off Acoustic Volume is Pre Set Display Rhythm ds32a Amplify Amplification On Off b Click to alternate between volume adjustable Amplified mode and pre set Acoustic mode similar to an acoustic stethoscope Bell Mode Green Diaphragm Mode Green N F a Bell or Diaphragm Select Click to alternate Bell Diaphragm Noise Rejection On Off Push amp Hold for gt 2 secs Release to turn Noise Rejection On Off Adjusts for high ambient noise or regular office environments Mute Push amp Hold key down to temporarily Mute sound useful if patients speak when listening to carotid pediatric use etc Control Panel Low Battery Red Change Batteries Ne aa r Tips and Troubleshooting Tips for Best Sound Quality e Apply Probe with light steady contact not excessive pressure Step 5 See Over e The ds32a works best with direct skin contact Avoid using through clothing e Experiment to find a preferred Volume level that optimizes clarity Go to the website and READ the detailed User s Manual and other information The Manual contain USEFUL TIPS for obtaining best results Troubleshooting e No Power a Check batteries are inserted correctly Step
4. Getting Started ATTENTION Go to http www thinklabsmedical com ds32a for a detailed User s Manual and other information Rhythm ds32a a Push cover DOWN into grooves to slide easily AO See Over OPTEN for Quick b Slide closed POWER OFF Reference Auto turns off automatically after 2 minutes Be NOT Force Ifnor Manual HOLD POWER key gt 2 secs release F closing check step a 4 Select Mode Bell or Diaphragm 5 Listening with the ds32 Suggested key control Apply light but firm Click to switch between Bell and Diaphragm Mode Eartips Forefinger pressure Green LEDs show Mode Pea K for Keys FORWARD O VOLUME CONTROL behind keys H A BELL DIAPHRA ol Symbol Mnemonic Diaphragm a Bell Curve A Gm looks like a Diaphragm Hold Probe steady to reduce artifact LISTENING for Volume Recommended starting level 5 7 The EmD Diaphragm responds to adjustments in applied pressure affecting both sensitivity loudness and frequency characteristics This is a very powerful tactile way to control sound In most cases simply apply a light but consistent pressure Do not push too hard Gradually increasing pressure will increase sensitivity and loudness At significant pressure low frequencies are cut making breath sounds more audible than heart sounds It is sometimes helpful to hold the Probe s
5. o that the fingers also touch the patient chest wall such as the left edge of the thumb and the fingertips in the above figure The Probe and chest wall then move in unison for a consistent light diaphragm pressure 2005 2006 Thinklabs inc 6 Acoustic Amplify Mute Modes Ambient Noise Rejection Click AMPLIFY key to switch between Acoustic Pre set Vol Blue LED OFF Amplify Adjustable Vol Blue LED ON Mute Hold AMPLIFY key 4 O sat ornra S O VOLUME CONTROL O active when Blue LED ON Push amp Hold Bell Diaphragm key for gt 2 seconds to switch noise rejection On Off The EmD Diaphragm intrinsically reduces susceptibility to ambient noise In typical office environments with good diaphragm skin contact the noise rejection function will have little effect and can be turned off to obtain the fullest possible FEATURES Acoustic Mode utilizes electronic signal processing to provide pre set sound characteristics similar to a conventional acoustic stethoscope but with enhanced signal quality Amplify Mode provides signal processing augmentation with power boost and Adjustable Volume dynamic sound from your ds32a In the following cases turn Noise Rejection on to optimize sound High ambient noise environments Listening through clothing or thick chest hair where good diaphragm skin contact is not possible www thinklabsmedical com
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