Frequency Sets; Ordering Transmitters And Receivers; Selecting Carrier Frequencies On The Sst1; Selecting Carrier Frequencies On The Spr1 - AKG IVM 1 User Instructions

8a Frequency Table
8b Belt clip
8c BALANCE L/R: sets the level balance between the left and
right channels
4.2. Standard Accessories
PRA1 antenna for bodypack receiver
Belt clip
3 AA size 1.5-V dry batteries
1 screwdriver
5. IP1 In-ear Phones
The IP1 (see fig. 9) have been specifically designed for generat-
ing very high sound pressure levels. A frequency range from
20 Hz to 20,000 Hz ensures high-end sound quality throughout
the audible spectrum. The supplied earmolds attenuate unwanted
ambient sound and guarantee optimum, secure fit. On request, the
in-ear phones are also available with earmolds individually fitted
to your ears. Please contact your local AKG representative.
5.1. Standard Accessories
1 pair of EM1 earmolds (see fig. 9a)
1 cable sheath (see fig. 9b) for tightening the cable behind your
neck
5.2. Optional Accessories
Individually fitted earmolds (refer to section 5).
6. Frequencies
Each SST1 stationary stereo transmitter and SPR1 stereo bodypack
receiver have up to 16 carrier frequencies stored in memory. You
can select any one of these frequencies on the transmitter by call-
ing up the appropriate menu and on the receiver by setting the CH
rotary switch (6e). The Frequency Tables on the transmitter
(fig. 5) and on the receiver (fig. 8) indicate the frequencies stored
in your IVM1.
If, depending on local frequency allocation plans, your IVM1
stores less than 16 frequencies all remaining storage locations
contain the highest frequency.

6.1. Frequency Sets

Each Frequency Set has its own designation (figs. 5 and 8).
Check that each receiver uses the same Frequency Set as the trans-
mitter it is assigned to. This is the only way to make sure the indi-
vidual frequencies on the receiver and transmitter are identical.

6.2. Ordering Transmitters and Receivers

When ordering replacement transmitters or receivers, please state
the Frequency Set designation (figs. 5 and 8) and the serial num-
ber of the original transmitter or receiver. This allows us to gua-
rantee that the Frequency Sets on the replacements are identical to
those on your original equipment.
6.3. Selecting Frequencies on the SST1
As long as the transmitter is connected to AC power, you can
select or change the frequency in the "RF Channel" menu (refer to
section 7.5.10).
6.4. Selecting Frequencies on the SPR1
You can select a different frequency anytime using the CH rotary
switch (6e).

7. Setting Up

7.1. SPR1 Receiver

7.1.1. Inserting/Replacing the Batteries
Prior to switching the power ON, screw the receiving antenna
(7a) into the antenna socket (7b).
Set the VOLUME control (7c) between 1 and 4 in order to protect
your ears from unexpected excessive sound levels.
Refer to fig. 6f:
1. Unlock the battery compartment cover by turning the locking
screw 90° CCW with a coin.
2. Push the battery compartment cover outward in the direction of
the arrow and open the cover.
3. Insert the supplied 1.5-V batteries into the battery compartment,
aligning them with the polarity marks. Incorrectly aligned bat-
teries will not power the receiver.
4. Close the battery compartment cover and push it inward
against the direction of the arrow until it clicks into place.
5. Lock the battery compartment cover by turning the locking
screw 90° CW.
7.1.2. Powering Up
1. Switch the receiver ON with the POWER I/0 switch (6b) and
use the supplied screwdriver to set the CH rotary switch (6e) to
the desired frequency.
2. The indicator LEDs (6a), (6c), and (6d) indicate the operating
status of the receiver. Refer to the table below:
3. Connect the cable of the IP1 in-ear phones to the output jack
POWER LED (6c) MUTE LED (6a)
lighting green: lighting red:
• Unit is ready to • Carrier frequen-
operate; battery cies on SPR1
charge is and SST1 are
sufficient. not identical.
• Reception is dis-
blinking green: turbed (excessive
• Batteries will be separation from
dead within transmitter, sha-
approx. 60 to dow effects, etc.
90 minutes. Refer to sections
8 and 9.)
not lighting: • SST1 not
• Batteries are connected to
dead or unit is power or in RF
switched OFF. OFF mode.
not lighting:
• System is ready
to operate. (Or
the unit is
switched OFF.)
(7d).
4. Insert each in-ear phone into one EM1 earmold, making sure
the cable will be pointing the same way as the "finger" on
each earmold (refer to fig. 9d, 1 to 3).
5. Insert the earmolds into your ears referring to fig. 9d, 4 to 8.
Important: Always use both in-ear phones because this is the
Peak LED (6d)
not lighting:
• Optimum system
levels.
blinking green:
• 3 dB below
clipping.
lighting red:
• System over-
loaded.
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