
ICD-BX112
CAUTION
Risk of explosion if battery is replaced by an incorrect 
type.
Dispose of used batteries according to the 
instructions.
Notice for the customers in Canada
This Class B digital apparatus complies with 
Canadian ICES-003.
FOR UNITED STATES CUSTOMERS. 
NOT APPLICABLE IN CANADA, 
INCLUDING IN THE PROVINCE OF 
QUEBEC. 
POUR LES CONSOMMATEURS AUX 
ÉTATS-UNIS. NON APPLICABLE AU 
CANADA, Y COMPRIS LA PROVINCE 
DE QUÉBEC.
The following FCC statement applies only to the 
version of this model manufactured for sale in the 
USA. Other versions may not comply with FCC 
technical regulations.
INFORMATION
This equipment has been tested and found to 
comply with the limits for a Class B digital device, 
pursuant to Part 15 of the FCC Rules. These limits 
are designed to provide reasonable protection against 
harmful interference in a residential installation. 
This equipment generates, uses and can radiate radio 
frequency energy and, if not installed and used in 
accordance with the instructions, may cause harmful 
interference to radio communications.
However, there is no guarantee that interference 
will not occur in a particular installation. If this 
equipment does cause harmful interference to radio 
or television reception, which can be determined 
by turning the equipment off and on, the user is 
encouraged to try to correct the interference by one 
or more of the following measures: 
Reorient or relocate the receiving antenna.
Increase the separation between the equipment and 
receiver.
Connect the equipment into an outlet on a circuit 
different from that to which the receiver is connected.
Consult the dealer or an experienced radio/TV 
technician for help.
You are cautioned that any changes or modifications 
not expressly approved in this manual could void 
your authority to operate this equipment.
This device complies with part 15 of the FCC Rules. 
Operation is subject to the following two conditions: 
(1) this device may not cause harmful interference, 
and (2) this device must accept any interference 
received, including interference that may cause 
undesired operation.
For the customers in Europe
To prevent possible hearing damage, 
do not listen at high volume levels 
for long periods.
WARNING
Do not expose the batteries (battery pack or batteries 
installed) to excessive heat such as sunshine, fire or 
the like for a long time.
Disposal of Old Electrical & 
Electronic Equipment (Applicable 
in the European Union and other 
European countries with separate 
collection systems)
This symbol on the product or on its 
packaging indicates that this product 
shall not be treated as household 
waste. Instead it shall be handed over 
to the applicable collection point 
for the recycling of electrical and 
electronic equipment. By ensuring 
this product is disposed of correctly, 
you will help prevent potential negative consequences 
for the environment and human health, which could 
otherwise be caused by inappropriate waste handling 
of this product. The recycling of materials will help 
to conserve natural resources. For more detailed 
information about recycling of this product, please 
contact your local Civic Office, your household waste 
disposal service or the shop where you purchased 
the product.
Disposal of waste batteries 
(applicable in the European Union 
and other European countries with 
separate collection systems)
This symbol on the battery or on the 
packaging indicates that the battery 
provided with this product shall not 
be treated as household waste.
On certain batteries this symbol 
might be used in combination with a 
chemical symbol. The chemical symbols for mercury 
(Hg) or lead (Pb) are added if the battery contains 
more than 0.0005% mercury or 0.004% lead.
By ensuring these batteries are disposed of 
correctly, you will help prevent potentially negative 
consequences for the environment and human health 
which could otherwise be caused by inappropriate 
waste handling of the battery. The recycling of the 
materials will help to conserve natural resources.
In case of products that for safety, performance 
or data integrity reasons require a permanent 
connection with an incorporated battery, this battery 
should be replaced by qualified service staff only.
To ensure that the battery will be treated properly, 
hand over the product at end-of-life to the applicable 
collection point for the recycling of electrical and 
electronic equipment.
Message List
LO BATT
Batteries are exhausted. Replace the old 
batteries with new ones.
SET DATE
Set the clock; otherwise, you cannot set the 
alarm.
FULL ( flashes at the same time)
The remaining memory capacity of the IC 
recorder is insufficient. Erase some messages 
before recording.
FULL (“99” flashes at the same time)
As there are already 99 messages in the 
current folder, you cannot record a new 
message. Erase some messages before 
recording.
FULL (folder indicator flashes at the same 
time)
As there are already 99 messages in the 
folder to which you want to move a message, 
you cannot move the message. Erase some 
messages before moving.
NO DATA
The selected folder does not have any 
messages. You cannot move a message or set 
the alarm, etc., because of this.
PRE SET
You set the alarm to play back a message at 
a date and time previously set on another 
message. Check the setting and set the 
appropriate date and time.
BACK-D
You set the alarm when the time has already 
passed. Check it and set the appropriate date 
and time.
LOCK ( flashes at the same time)
You selected a message that has been locked. 
You cannot move it, erase it, add a new 
message to it, add an overwritten message to 
it, or divide it. Set “LOCK” to “OFF” in the 
menu before editing the message.
OFF REC-OP
You cannot add a recording or overwrite a 
recording because “REC-OP” is set to “OFF.” 
Set it to “ON.”
ERR ACCESS 
ERR 01 – ERR 06
A system error other than the above has 
occurred. Remove the batteries and re-insert 
them.
HOLD
The HOLD function is activated. Slide the 
HOLD switch in the direction opposite 
that of the arrow. For details on the HOLD 
function, see “Preventing Accidental 
Operation (HOLD).”
System Limitations
There are some system limitations of the IC 
recorder. Items as mentioned below are not 
malfunctions of the IC recorder.
You cannot record messages up to the 
maximum recording time.
If you record messages in a mixture of 
SHQ, HQ, SP and LP modes, the recordable 
time varies from the maximum SHQ mode 
recording time to the maximum LP mode 
recording time.
The sum of the number on the counter 
(elapsed recording time) and the remaining 
recording time may be less than the IC 
recorder’s maximum recording time.
You cannot specify the finishing point B.
You cannot specify the finishing point B 
before the starting point A has been set.
When you set A-B repeat playback, the set 
positions move a little.
Depending on the messages, the set 
positions may move.
Getting Started
Step 1: Checking the 
Contents of the 
Package
IC Recorder (1)
LR03 (size AAA) alkaline batteries (2)
Stereo headphones* (1)
Carrying pouch* (1)
Stereo microphone with shirt-clip* 
(1)
Operating Instructions
*The stereo headphones, carrying pouch 
and stereo microphone with shirt-clip are 
supplied with some models in specified 
regions only.
You are cautioned that any changes or 
modifications not expressly approved in 
this manual could void your authority to 
operate this equipment.
Index to parts and controls
Front
Built-in microphone
(microphone) jack*
Display window
 (folder)/MENU button
DIVIDE button
(stop) button
PLAY/STOP•ENTER button*
–(review/fast backward), 
+ (cue/fast forward) button
Speaker
(headphone) jack
Operation indicator
ERASE button
VOL (volume) –/+* button
 (repeat) A-B button
REC/PAUSE button
These buttons and the jack have a tactile dot. 
Use it as a reference point for operations, or 
to identify each terminal.
Rear
HOLD switch
Battery compartment
Strap hole (A strap is not supplied.)
 Display window
Folder indicator
Displays the folder ( , , , , or 
) you have selected.
Microphone sensitivity
Displays the microphone sensitivity.
For details about the settings, see 
“Menu settings” on the reverse side of 
this paper.
Alarm indicator
Appears when the alarm is set for a 
message.
Repeat play indicator
Appears when a message is played back 
repeatedly.
Selected message number
REC DATE (recorded date) indicator
The recorded date or time is displayed 
with the REC DATE indicator.
REMAIN indicator
When the IC recorder is in the 
recording or stop mode, the remaining 
recording time is displayed with the 
REMAIN indicator, or when the IC 
recorder is in the playback mode, 
the remaining time of the current 
message is displayed with the REMAIN 
indicator.
Remaining memory indicator
Displays the remaining memory and 
decreases one by one during recording.
Battery indicator
Displays the remaining battery power.
Recording mode indicator
Displays the recording mode set using 
the menu when the IC recorder is in 
the stop mode, and displays the current 
recording mode when the IC recorder 
is in the playback mode.
For details about the settings, see 
“Menu settings” on the reverse side of 
this paper.
 (recording) indicator
Appears while the IC recorder is 
recording.
N-CUT (noise cut) indicator
Appears when “N-CUT” is set to “ON” 
in the menu.
Lock indicator
Appears when “LOCK” is set to “ON” 
in the menu.
EASY-S (easy search) indicator
Appears when the “EASY-S” is set to 
“ON” in the menu.
DPC (Digital Pitch Control) indicator
Appears when the “DPC” is set to “ON” 
in the menu.
Total number of messages in the folder/
DPC setting
Elapsed time/Remaining 
time/Recorded date or time 
indication/Message
Preventing Accidental 
Operation (HOLD)
Locking the buttons
Slide the HOLD switch in the directionHOLD switch in the direction 
of the arrow in the recording or playback 
mode. When the HOLD function is 
activated, the yellow marking appears 
beside the switch.
*
“HOLD” will flash, indicating that all the 
functions of the buttons are locked.
Unlocking the buttons
Slide the HOLD switch in the opposite 
direction from that of the arrow so that all 
buttons will be unlocked.
Note
When the HOLD function is activated during 
recording, all the functions of the buttons are 
locked to prevent accidental operation. To stop 
recording, cancel the HOLD function first.
Tip
Even if the HOLD function is activated, you 
can stop the alarm playback by pressing any 
button. (You cannot stop normal playback.)
Step 2: Preparing a 
Power Source
Slide and lift the battery compartment lid, 
insert LR03 (size AAA) alkaline batteries 
with correct polarity, and close the lid.
If the battery compartment lid is 
accidentally detached, attach it as 
illustrated.
Tips
Messages recorded or alarm settings are not 
erased even when you replace the batteries.
When replacing the batteries, the clock 
continues moving for a certain period of 
time after you remove the batteries.
Even if you do not use the IC recorder, 
the batteries are consumed slightly. The 
battery life in this case varies depending 
on humidity or other environmental 
conditions. Usually, the batteries last about 
2 months. If you do not intend to use the IC 
recorder for an extended period of time, it is 
recommended that you turn the power off or 
remove the batteries.
Notes
Do not use manganese batteries for this IC 
recorder.
When replacing the batteries, be sure to 
replace both batteries with new ones.
When to replace the batteries
The battery indicator in the display window 
shows the battery condition.
Battery remain indication
: Replace the current batteries with 
new ones.
 
: “LO BATT” flashes and the IC 
recorder will stop operation.
Step 3: Turning the IC 
Recorder On
Slide the HOLD switch in the opposite 
direction from that of the arrow. The IC 
recorder turns on, and “ACCESS” flashes.
To turn the power off
When you are not using the IC recorder, 
you can prevent the batteries from getting 
weak quickly by turning the power off.
Slide the HOLD switch in the direction ofHOLD switch in the direction of 
the arrow in the stop mode. “OFF” flashes. 
The IC recorder turns off within a few 
seconds.
Tips
When you are not going to use the IC 
recorder for a long time, we recommend to 
turn off the IC recorder.
When 10 minutes have passed after you 
have turned on the IC recorder and leave it 
without doing anything, the display goes off 
automatically. (Press any button to show the 
display.)
Step 4: Setting the 
Clock
Remove the protective film on the display 
window before you use the IC recorder.
You need to set the clock to use the alarm 
function or record the date and time.
Clock setting display appears when you 
insert batteries for the first time, or when 
you insert batteries after the IC recorder 
has been without batteries for a certain 
period of time, the year section flashes in 
the display window.
Setting the clock after 
preparing a power source
1Set the year. 
Press [–] or [+] to set the year. 
Select the last two digits of the year.
When you press [PLAY/
STOP•ENTER], the cursor moves to the 
month section.
2Set the month, day, hour, and 
minutes in sequence in the same way. 
Press [–] or [+] to select 
the desired figures, and then press 
[PLAY/STOP•ENTER].
When any button not intended for use 
in setting the clock is unintentionally 
pressed during clock setting mode, the 
clock setting is canceled. Use the menu 
to set the clock.
Setting the clock using the 
menu
While the IC recorder is in the stop mode, 
you can set the clock using the menu.
1Press and hold [ (folder)/MENU] to 
enter the menu mode.
The menu mode will be displayed.
2Press [–] or [+] to select 
“SET DATE,” and then press 
[PLAY/STOP•ENTER].
3Press [–] or [+] to set 
the year, month, day, hour, and 
minute in sequence, and then press 
[PLAY/STOP•ENTER].
4Press [(stop)] to exit the menu mode.
Tip
Press [ (folder)/MENU] to return to the 
previous operation.
Notes
You can set the time display for the clock to 
“12H” (12-hour display) or “24H” (24-hour 
display) in the “HOUR” menu. When “12H” 
(12-hour display) is set, “AM” or “PM” 
appears in the display window.
If you do not press [PLAY/
STOP•ENTER] within 1 minute of entering 
the clock setting data, the clock setting mode 
is canceled and the window will return to the 
stop mode display.
Using AVLS (For European 
model only)
Maintaining the 
moderate volume 
level (AVLS)
The AVLS (Automatic Volume Limiter 
System) function allows you to listen to the 
sound at a moderate volume level when 
using headphones (not supplied). The 
AVLS function limits the maximum volume 
to prevent auditory issues or distraction 
and to maintain a moderate volume level.
When the “AVLS” is set to “ON” in the 
menu, and you try to adjust the volume to a 
level that exceeds the AVLS-specified level, 
“AVLS” indicator lights. You cannot adjust 
the volume to a level that exceeds the limit.
When “AVLS” is set to “OFF” 
To disable the AVLS function, do the 
following: 
1Press and hold [ (folder)/MENU] 
to enter the menu mode. Press [–] 
or [+] to select “AVLS,” and press 
[PLAY/STOP•ENTER].
2Press [–] or [+] to select “OFF,” 
and press [PLAY/STOP•ENTER].
“AVLS” and “OFF” will flash with a 
beeping sound.
3Press [PLAY/STOP•ENTER].
4Press [(stop)] to exit the menu mode.
To enable the AVLS function again, please 
select “ON” in step 2. 
If you play back messages with using 
headphones (not supplied) at a volume 
that exceeds the AVLS-specified level for 
specified period of time, “AVLS” and “ON” 
will be displayed and the “AVLS” in the 
menu is automatically set to “ON.”
 Notes
When using the built-in speaker or 
recording a message, the AVLS function 
does not work.
When the IC recorder is turned off, the IC 
recorder is set to a moderate volume level 
automatically.
Recording
Operation indicator
REC/PAUSE
Selecting a folder
1Press [ (folder)/MENU] to select 
the folder in which you want to record 
messages ( , , , , or ).
There are 5 folders already available 
when you purchase the IC recorder.
If you do not change the folder after you 
stop recording, the next time you record 
you will record in the same folder.
Starting to record
1Turn the built-in microphone in the 
direction of the source to be recorded.
2Press [REC/PAUSE] in the stop mode.
The operation indicator lights in red. 
(When “LED” is set to “OFF” in the 
menu, the operation indicator does not 
light.)
The new message will be automatically 
recorded after the last recorded message.
Note
When “REC-OP” is set to “ON,” the new 
message overwrites a previously recorded 
message. “REC-OP” is set to “OFF” in the 
initial settings.
To stop recording
1Press [(stop)].
The IC recorder stops at the beginning of 
the current recording.
Other operations
To pause recording*
Press [REC/PAUSE]. During recording 
pause, the operation indicator flashes in 
red and “PAUSE” flashes in the display 
window.
To release pause and resume recording
Press [REC/PAUSE] again. Recording 
resumes from that point. (To stop 
recording after pausing recording, press 
[(stop)].)
To review the current recording instantly
Press [PLAY/STOP•ENTER]. 
Recording stops and playback starts 
from the beginning of the message just 
recorded.
To review during recording
Press and hold [–] during recording 
or recording pause. Recording stops and 
you can search backwards while listening 
to fast playback sound. After you release 
[–], playback starts from that point.
1 hour after you pause recording, recording 
pause is automatically released and the IC 
recorder enters the stop mode.
Tips
Messages recorded using this IC recorder 
will be recorded as MP3 files.
You can record up to 99 messages in each 
folder. 
Before you start recording, we recommend 
you make a trial recording first, or monitor 
the recording.
If the recorded sound is too loud and 
distorted, set the microphone sensitivity 
to (Low). On the other hand, if 
the recorded sound is too little, set the 
microphone sensitivity to (High).
Notes
While the operation indicator is flashing in 
orange, do not remove the batteries. Doing 
so may damage the data.
Before making a recording, be sure to check 
the battery indicator.
If the IC recorder is accidentally rubbed or 
scratched with an object, such as your finger, 
etc., during recording, noise is recorded. Try 
to avoid touching the IC recorder until the 
recording ends.
Keep the IC recorder away from an AC 
power source, a fluorescent lamp or a mobile 
phone during recording or playback.
Remaining memory indication
During recording, the remaining memory 
indicator decreases one by one.
The memory is 
nearly full.
Flashing
When the remaining time of recording 
reaches 10 minutes, the last one of the 
indication flashes. 
If the remaining recording time display 
mode is selected, the remaining recording 
time display will also flash when the 
remaining time reaches 1 minute. The 
display will be changed automatically to the 
remaining time display.
When the memory is full, recording 
automatically stops and and “FULL” 
will flash in the display window for about 3 
seconds. To continue recording, erase some 
of the messages first.
*
Listening
Starting playback
1Press [ (folder)/MENU] to select the 
folder ( , , , , or ).
2Press [–] or [+] to select the 
message you want to play.
3Press [PLAY/STOP•ENTER].
Playback will start soon, and the 
operation indicator will light in green. 
(When “LED” is set to “OFF” in the 
menu, the operation indicator does not 
light.)
4Press [VOL –/+] to adjust the volume.
To stop playback
1Press [(stop)].
Other operations
The following operations are for when 
“EASY-S” (Easy Search function) is set to 
“OFF.”
To stop at the current position (Playbackstop at the current position (Playback 
Pause function)
Press [PLAY/STOP•ENTER] or 
[(stop)]. To resume playback from that 
point, press [PLAY/STOP•ENTER] 
again.
To go back to the beginning of the current 
message
Press [–] once*.
To go back to previous messages
Press [–] repeatedly. (During stop 
mode, keep the button pressed to go back 
the messages continuously.)
To skip to the next message
Press [+] once*.
To skip to the succeeding messages
Press [+] repeatedly. (During stop 
mode, keep the button pressed to skip the 
messages continuously.)
Searching forward/backward 
during playback (Cue/Review)
To search forward (Cue):
Press and hold [+] during playback and 
release it at the point you wish to resume 
playback.
To search backward (Review):
Press and hold [–] during playback and 
release it at the point you wish to resume 
playback.
The IC recorder searches at slow speed with 
playback sound first. This is useful to check 
one word forward or back. Then, if you 
press and hold the button, the IC recorder 
starts to search at higher speed.
Erasing
Notes
Once a recording has been erased, you 
cannot retrieve it.
If the message you want to erase is locked in 
the menu, you cannot erase the message.
Selecting a message and 
erasing it
1Select the message you want to erase 
when the IC recorder is in the stop or 
playback mode.
2Press [ERASE] while you are playing 
back the message you want to erase, or 
press and hold [ERASE] during the stop 
mode.
A beep will sound and the message 
number and “ERASE” will flash.
When “BEEP” in the menu is set to 
“OFF,” no beep sound will be heard.
 
ERASE
3Press [ERASE] again.
“ERASE” appears in the display window 
and the selected message will be erased.
When a message is erased, the 
remaining messages will advance and 
be renumbered so that there will be no 
space between messages.
To cancel erasing
1Press [(stop)] before step 3 of 
“Selecting a message and erasing it.”
To erase a part of one message
Divide the message into two messages first, 
and then proceed with the same steps from 
the beginning.
*
IC Recorder
Operating Instructions
© 2011 Sony Corporation Printed in China For all other batteries, please view the section on how 
to remove the battery from the product safely. Hand 
the battery over to the applicable collection point for 
the recycling of waste batteries.
For more detailed information about recycling of this 
product or battery, please contact your local Civic 
Office, your household waste disposal service or the 
shop where you purchased the product.
Notice for the customers: the 
following information is only 
applicable to equipment sold 
in the countries applying EU 
directives
The manufacturer of this product is Sony 
Corporation, 1-7-1 Konan, Minato-ku, Tokyo, 
108-0075 Japan. The Authorized Representative for 
EMC and product safety is Sony Deutschland GmbH, 
Hedelfinger Strasse 61, 70327 Stuttgart, Germany. 
For any service or guarantee matters please refer to 
the addresses given in separate service or guarantee 
documents.
Troubleshooting
Troubleshooting
Before taking the IC recorder for repair, 
check the following sections. Should any 
problem persist after you have made these 
checks, consult your nearest Sony dealer.
Please note that recorded messages may be 
erased during service or repair work.
Display does not disappear. 
Display appears blurred.
Remove the protective film on the display 
window before you use the IC recorder.
The IC recorder does not operate.
The batteries have been inserted with 
incorrect polarity.
The batteries are weak.
No sound comes from the speaker.
The volume is turned down completely.
Headphones are plugged in.
Sound comes from the speaker even when 
the headphones are plugged in.
If you plug in the headphones not securely 
during playback, the sound may come from 
the speaker. Unplug the headphones, and 
then insert them securely.
Recording is interrupted.
The VOR function is activated. Set “VOR” to 
“OFF” in the menu. For details, see “Menu 
settings” on the reverse side of this paper.
Noise is heard.
Plug of the connected microphone was dirty 
when recording. Clean the plug.
The (headphones) plug is dirty. Clean 
the plug.
You cannot divide a message.
You need a certain amount of free space in 
the memory to divide a message.
If 99 messages have been recorded in a 
folder, you cannot divide a message in that 
folder. Erase some of the messages.
You cannot divide a message at the very 
beginning (0.5 seconds from the beginning) 
or at the very end (0.5 seconds prior to the 
end) of the message.
If you divide a message frequently, the unit 
may become unable to divide the message 
further.
You selected a message that has been locked. 
Set “LOCK” to “OFF” in the menu before 
dividing the message.
Playback speed is too fast or too slow.
The playback speed is adjusted in DPC. 
Adjust the speed in DPC again in the menu. 
For details, see “Menu settings” on the 
reverse side of this paper.
“--:--” is displayed.
You have not set the clock.
“--Y--M--D” or “--:--” is displayed on the 
REC DATE display.
The date of recording will not be displayed 
if you recorded the message when the clock 
was not set. For details, see “Menu settings” 
on the reverse side of this paper.
The clock setting is reset.
The clock setting will be reset within about 
1 minute. When you replace the batteries, 
please provide new batteries quickly.
There are fewer menu items displayed in 
the menu mode.
The menu items displayed are different 
depending on the operation modes (stop 
mode, playback mode and recording mode).
The IC recorder does not operate 
correctly.
Take out the batteries and insert them again.
You cannot erase a message.
You selected a message that has been locked. 
Set “LOCK” to “OFF” in the menu before 
erasing the message.