Radel MAADHURIUM DIGITAL HARMONIUM User manual

MAADHURIUM DIGITAL HARMONIUM
USER MANUAL
Please read this manual carefully to familiarize yourself with the
operation of this digital Indian musical instrument before switching it on.
INTRODUCTION
Congratulations! You are the proud owner of a Radel quality product –
the unique aadhurium digital Harmonium.
Radel products are renowned for their excellent tonal quality as well as
their reliability. The latest state-of-the-art technology is used in the
design as well as manufacture of the products. Being the inventor of
these products and pioneer in the field of electronic musical instruments
for Indian music, Radel continues improving the existing models and
introducing new products. Radel is an ISO 9001:2015 quality certified
company. Radel is the new landmark in South Bangalore; a landmark
signifying innovation, quality and total commitment to the customer.
Aerospace quality in Radel products
Radel musical instruments are of the quality of high-precision defence
equipment. Our sister concern, Radel Advanced Technology, designs
and manufactures products for the defence and aerospace sectors. It is
one of the very few companies in the country with the coveted quality
certification from the inistry of Defence. It has gained the reputation of
being a quality design and manufacturing organisation, and has supplied
sophisticated equipment being used by the defence forces of the
country. By using a Radel product, you are therefore assured of the
highest quality, and, although you may never need it, dedicated after-
sales service.
GENERAL INFORMATION
Size: 540 x 320 x 120 mm Weight: 4 kg without stand, 5 kg with stand
Voltage: It can be directly operated on any voltage from 90V-260V AC or
on internal batteries. It automatically switches over to batteries (DC) on
failure of mains power (AC). Input Wattage (power consumption):
A line-out socket (6mm) is provided.
The Special Features of the Maadhurium are
1. Light weight scale changer with both Chromatic and Indian (Just
Intonation) scales.
2. Generation of stunning realistic Harmonium sound.
3. Adjustable volume to suit user tastes.
4. 8 Harmonium voices (single, double and triple reed).
5. Digital LCD display for easy settings.
6. 5 Demo tunes with gamaks.
7. Pitch alterable continuously over an octave.
8. Shadj can be set according to user’s choice to any key of an octave.
9. emory for storing 5 personalised user settings apart from auto-save
feature.
10. Individual key fine tuning to suit specific raags of Indian music, which
can be stored in 10 memories with names.
11. Tone adjustable according to user’s choice
12. IDI IN and OUT facility.
13. Handy height-adjustable, foldable stand for ease of playing
14. Gamak lever for slides of notes as required for Indian music
(Advanced model only)
15. Emphasis lever to simulate acoustic harmonium (Advanced model
only)
CAUTION
1. It is advisable to wait for at least 10 seconds after switching OFF and
again turning ON the product.
2. Avoid using the product close to other electronic equipment such as
mobile / cordless phones, etc. to prevent any interference.

OPERATION
Switch ON the product by pressing the power button. aadhurium works
directly on the built-in rechargeable batteries provided. When battery
charge is low, insert the AC ains power cord into the power socket of
the instrument. Plug the cord into a standard wall power outlet. Batteries
will charge even if the instrument is switched OFF.
Note: Internal S PS adapter allows instrument to be operated directly
on any voltage from 90V-260V AC.
HARMONIUM SETTINGS
Important note When any of the function buttons such as
TONE, SCALE, MEMORY, etc. are pressed, the instrument
waits for about 4 secs for subsequent key/knob to be
operated. If no such operation is performed, it returns to the
normal display and volume mode.
1. Volume control:
1.1 Turn knob clockwise to increase the volume.
1.2 Turn knob anti- clockwise to decrease the volume.
1.3 Volume level can be seen on the LCD display. Volume
can be selected over a range of 0-32.
2. Voice Selection:
2.1 Press VOICE button
2.2 Within 4 sec, press any button from 1 to 8 to select the
voice. User can select any one out of 8 different voices
available.
3. Tone control:
3.1 Press the TONE button
3.2 Within 4 sec, turn the knob clockwise to increase treble or
vice versa.
3.3 Use the TONE control to change the sharpness of the voice.
Tone level can be seen on the display. User can select tone
in the range of 1-10.
4. Pitch Selection:
4.1 Press and release PITCH button. Current Pitch will be
visible on screen.
4.2 Within 4 sec, turn the knob clockwise to increase the pitch
or anti clockwise to decrease the pitch.
Pitch can be selected over one octave from A through G#.
Volume: 07
Voice: 08
Tone: 05

5. Fine tuning pitch
5.1 Long press (3 seconds) of PITCH key puts the instrument
in fine tune mode.
5.2 Turn the knob clockwise to raise and fine tune from +1 to
+20 micro steps around the coarse pitch selected.
5.3 Turn the knob anti clockwise to select fine pitch from -1 to -
20 micro steps around the coarse pitch selected.
5.4 The LCD screen will show Fine tune step selected.
6. Scale Selection
6.1 aadhurium allows selection between CHRO ATIC and
INDIAN (Just Intonation) scales.
6.2 Press SCALE button to change between Indian (Ind) and
Chromatic (Chr) styles.
7. SA Selection:
7.1 Since the Indian Scale (Pancham Gandhar tuning) is of
unequal temper, aadhurium allows designation of any
specific key as the Shadj (Tonic). The Indian scale is then
available on all the other keys with the chosen key as the
Shadj.
7.2 Press SA button
7.3 Within 4 sec, press any key to be selected as the SA. The
current SA key is displayed on the LCD. The currently set pitch
is also applied to that key.
Pitch:C +04
Pitch:C 00 Ind
Voice:8 Sa:W1
Pitch:C 00 Chr
Voice:8 Sa:W1
Pitch:C 00 Ind
Voice:8 Sa:W1

8. Demo:
8.1 Press DE O button.
8.2 Press any key from 1 to 5 to play the respective demo
tune.
8.3 To stop playing Demo tune, press the DE O button again.
8.4 Demo tunes have been created to demonstrate the ability
of the instrument in playing gamaks (Possible only on
models provided with a Gamak Lever).
ADVANCED FEATURES
9. MIDI Selection:
9.1 IDI allows the aadhurium to play in synchronism with
another IDI enabled instrument or computer.
9.2 Press the IDI button to select any one of the three
options IDI OFF, IDI OUT, IDI IN.
9.3 Click IDI button again to change the option.
MIDI IN: Connect one end of IDI cable to IDI IN connector
of aadhurium and other end to IDI OUT of another IDI
enabled instrument. Play the other instrument. The
aadhurium will produce the same notes with its own voice as
notes played on the other instrument.
MIDI OUT: Connect one end of IDI cable to IDI OUT of
aadhurium and other end to IDI IN of other instrument. Play
the aadhurium. The other instrument would now play the same
notes with its own voice as the notes played on the
aadhurium.
MIDI OFF When not required, select IDI OFF setting.
10. Gamak Range selection:
10.1 This number sets the maximum number of notes that the
Gamak Lever can produce on either side of its central
position.
10.2 This feature is available only for models provided with a
Gamak Lever.
10.3 Press GA AK button
10.4 Within 4 sec, Press any key from 0-9 to select Gamak
range value.
MIDI I
MIDI OUT
MIDI OFF

For Example If Pitch is set to ‘C’ and Gamak range is set to 4,
movement of Gamak lever to the left will allow the ‘SA’ note key to be
lowered gradually upto G#. Similarly, moving the lever to the right will
allow the ‘SA’ note to be raised gradually upto E. The same effect is
applied simultaneously on all the keys of the instrument.
11. Key Tuning
11. 1 aadhurium has the unique facility for fine tuning of
individual notes of an octave since Indian music uses
micro-tuned notes specific to each raag being performed.
Key tuning can be performed in two ways.
11.1.1 anual key tuning: Notes can be manually fine
tuned over a range -10 to +10 micro-steps.
11.1.2 ALT/STD key tuning: Key can be tuned to
Alternate or Standard (fixed positions) as per the 22
Sruthi system of Indian classical music.
11. 2 Key Tune Selection
11. 3 Press KEY TUNE button.
11.3.1 TUNE/ SAVE/ RECALL option is displayed on
LCD. Within 4 sec, select TUNE using knob and
press OK button.
11.3.2 Press the note key to be tuned. For manual
tuning, turn the knob for raising or lowering its pitch
as desired. For 22 Sruthi tuning, press ALT/STD for
selection of one of the two settings for that key.
11.3.3 On completion of tuning as above, press OK to
exit the Key Tuning ode.
Select range 0 – 9
Current:1
Gamak Range:05
>TU E
SAVE
Pitch:C 00 Ind
Voice:8 std
Pitch:C 00 Ind
Voice:8 alt

11.3.4 Save the current setting of keys tuned to Raaga
emory (R E ) using the SAVE option. Select any
memory from R E -0 to R E -9 using knob.
Press OK button. Name it using the alphanumeric
keypad. Buttons ˃ and ˂ are used for navigation
during naming. Press OK button to save the name in
Raaga emory.
11.3.5 Recall any stored raaga from R E -0 to
R E -9 by using RECALL option. When RECALL
is selected, the LCD displays the list of stored
raagas with their names. Select the raaga by using
the knob and press OK button. Note that the key-
tuned raaga would be recalled with the presently set
pitch and SA key.
11.3.6 Note: If the instrument is set to Chromatic
scale, pressing KEY TUNE button will automatically
change Scale to Indian Scale and key tuning can be
performed in Indian scale.
12. Battery Charge
The instrument is provided with 3 internal Li-ion
rechargeable batteries which get charged whenever the
AC ains power is connected. BAT button is provided to
check the charge status of the batteries.
12.1 Press BAT button. Display shows BATT and RESET with
BATT selected
12.2 Press OK button.
12.3 LCD will show “charge: xx%” if AC is not plugged in or
“charging: xx%” if AC is plugged in.
13. Reset
If for any reason the user wishes to restore all the settings to
the Factory Default values, the RESET button can be used.
13.1 Press BAT button.
13.2 Within 4 sec, turn the knob to select RESET.
13.3 Press OK button. It will reset the aadhurium to factory
settings.
Caution This action will erase all the memory data (User
memory & Raaga memory) stored along with names. The
User setting will change to factory default : SA : W1, Pitch :
C, Volume : 15, Voice : 1, Gamak range : 4, Tone : 01, Fine
Pitch : 00, Scale : Ind
TU E
>SAVE
RMEM-0:Puriya--------
RMEM-1:-----------------
SAVE
>RECALL
>BATT
RESET

MEMORY SETTINGS
14. User Memory Settings:
User can store five sets of settings (Pitch, Volume, Voice, SA
reference, Scale, Tone) into user memory. This allows the User
to customise his/her own preferred settings. This memory setting
is distinct and different from the Raaga emory already
described.
Steps for saving in emory:
(a) Press E button.
(b) Press ‘1’ button to STORE or ‘7’ button to RECALL the
selected memory.
(c) Turn the knob to shuffle between 1 to 5 memories.
(d) Press STORE (button 1) to enter a name to the memory
selected using keys from 0-9. For navigating, use ˃ ˂ keys
while naming. Press OK button to save the name.
(e) Press RECALL to recall the memory ( 1 to 5) selected in
(c) above.
15. Auto-Save Memory (ASM)
The current User Settings like Pitch, Volume, Voice, SA
reference, Scale, Tone are automatically saved into memory
when the instrument is powered off. On switching on the
instrument again, these settings will automatically be restored.
Thus, the user need not worry about losing the selected pitch
and other settings, etc. if power is lost accidentally.
16. Key tune memory Settings (Raaga memory):
Refer to para 11