The following information is taken - and updated by me - from a FAQ on the
Olympus DS-50 found on their web site at

http://www.olympusamerica.com/cpg_section/cpg_support_faqs.asp?id=1278#30

***How can the blind and visually impaired set the time and date?

The recorders' built-in audio cues can be used to enter the Time & Date
settings. These same cues can be used to set Timer Recording and Alarm
functions as well.

Using the Keypad

When executing a menu function that requires time and date setting, use the
buttons on the recorder's four-way keypad to enter the settings. The
settings are hour, minute, month, day, and year. Press the PLUS (UP) and
MINUS (DOWN) buttons, respectively to increase and decrease the values.
Press the REWIND (LEFT) and FAST FORWARD (RIGHT) buttons to move between
variables. Press the OK/MENU button to complete the set-up and start the
clock.

Depending on the year of release for the machine, 

Each time and date variable has a baseline value, from which it is possible
to calculate the number of times the PLUS (UP) or MINUS (DOWN) buttons must
pressed to reach a particular value. 

On the DS-50, The baseline settings for hour, minutes, month, day, and year
are respectively 12 AM, 00, 1M, 1D, and 2007Y. 

On the DM-520,  the settings work the same, however the default year is 2009
rather than 2007, because the DM-520 wasn't released until 2009.

I haven't properly explored, but I imagine the DS-71 will default to 2009 as
well.

The values appear on the recorder screen as shown below:

When setting time and date variables the recorder emits distinct audio cues
to determine that the variables are being changed. Pressing the PLUS (UP)
button causes the recorder to emit a high-pitched beep. Pressing the MINUS
(DOWN) button elicits a low-pitched beep. When a baseline value is reached
from either direction, the audio cue becomes a chirp.

The DS-50 (and others) digital voice recorder has a Voice Guide that speaks
the menu items. However, it cannot speak the time and date or file names. 

When the DS-50 recorder is turned on for the first time , the Voice Guide
function is enabled. If the Voice Guide is disabled, use the following steps
to enable it:

1.Turn the recorder on by sliding the POWER/HOLD button downward. 
2.Launch the menu by holding down the OK/MENU button in the center of the
four-way keypad for 1 second. 
3.Press the MINUS (DOWN) button 13 times to arrive at the Voice Guide
setting in the menu. 
4.Press the FAST FORWARD (RIGHT) button on the keypad twice. 
5.Press the OK/MENU button in the center of the keypad once to enable the
Voice Guide. 
6.Press the REWIND (LEFT) button on the keypad once to return to the menu.

Note that Details for activating the voice guidance on other machines, will
differ.

***Setting the Time and Date

1.on the DS-50, If the Voice Guide has just been enabled and returned to the
menu, press the MINUS (DOWN) button 7 times to arrive at the Time & Date
setting. The Voice Guide will speak, "Time and Date Setting." 

2.If the menu on the DS-50 has been newly opened, press the PLUS (UP) button
four times to arrive at the Time & Date setting. 

[If you are using a different model, such as the DM-520 or DS-71, get to the
time and date settings, and follow the below steps.]

3.Press the FAST FORWARD (RIGHT) button to open the Time & Date menu. The
first variable to set is the hour. Press the PLUS (UP) button or MINUS
(DOWN) button until the recorder chirps instead of beeps. The chirp means
the hour variable has been set to 12 AM. 
4.Press the PLUS (UP) button the number of times necessary to arrive at the
correct hour value. Remember: The baseline value for hour is 12 AM.
Therefore the first 11 button presses represent AM values. It may be quicker
to press the MINUS (DOWN) button and count backward from 12 AM if the
correct time is a PM value. 
5.Press the FAST FORWARD (RIGHT) button to move to the minute variable.
Press the PLUS (UP) or MINUS (DOWN) button until the recorder chirps instead
of beeps. The chirp means the minute variable has been set to the baseline
value of 00. 
6.Press the PLUS (UP) button the number of times necessary to arrive at the
correct minute value. If it would be quicker to count backward to the minute
value, the MINUS (DOWN) button can be used to arrive at the correct minute
value. 
7.Press the FAST FORWARD (RIGHT) button to move to the month variable. Press
the PLUS (UP) or MINUS (DOWN) button until the recorder chirps instead of
beeps.The chirp means the month variable has been set to its baseline value
of 1M, representing January. 
8.Press the PLUS (UP) button the number of times necessary to arrive at the
correct month value. If it would be quicker to count backward to the month
value, the MINUS (DOWN) button can be used to arrive at the correct month
value. 
9.Press the FAST FORWARD (RIGHT) button to move to the day variable.Press
the PLUS (UP) or MINUS (DOWN) button until the recorder chirps instead of
beeps.The chirp means the day variable has been set to its baseline value of
1D, representing the first day of the month. 
10.Press the PLUS (UP) button the number of times necessary to arrive at the
correct day value. If it would be quicker to count backward to the day
value, the MINUS (DOWN) button can be used to arrive at the correct day
value. 
11.Press the FAST FORWARD (RIGHT) button to move to the year variable. The
year value is selected by using the PLUS (UP) or MINUS (DOWN) button. The
baseline value on the DS-50 is 2007Y, the baseline value on the DM-520 and
DS-71  is 2009 and is identified by a chirp. 
12.Press the STOP button (center button on the right side of the recorder)
to set the time and date settings and close the menu.


Note that The same basic entry procedure is used in the Timer Recording and
Alarm functions, but I don't recall if the past setting or the current date
and time are the defaults.

I have successfully set my clock and set timer record using this procedure -
it sounbs  particularly involved, but is actually not too bad with sound
feedback, once you understand its basic operation.

Happy recording
Tim

Tim Noonan
Director, Vocal Branding Australia
Transforming products, brands and services so they Sound as great as they
look and feel!
 
Phone:   +61 419 779 669
Web:     www.vocalbranding.com.au/blog
Email:   t...@vocalbranding.com.au
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Skype:     TimNoonan


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