Sr 300 True Diversity Receiver; Connecting To Power And Setting Up; Adjusting Sensitivity On Ht 300 And Pt 300 Transmitters - AKG HT 300 Mode D'emploi

5. Set the POWER 0/I switch (7) to I to switch the power on and
observe the red (3) and green (4) status LEDs to check that the
transmitter operates correctly (see table below).
Note that POWER 0/I (7) switches the power to the entire
transmitter on and off and MIC 0/I (6) only switches the micro-
phone capsule in and out.
6. To replace the batteries, unscrew the battery compartment lid
(8) CW. Remove the first two batteries and pull the battery ejec-
tor (12) toward the antenna. Remove the third battery. Push the
battery ejector (12) back in and insert the new batteries refer-
ring to step 2 above.
7. To check the transmitter status, refer to the table below:
Red status LED
(3)/(20)
OFF
Flashes once
ON
ON
OFF

SR 300 True Diversity Receiver

The SR 300 receiver has been supplied to you with a remote
power supply which is factory set for the AC voltage used in your
country (110 V or 220 V). The power supply is not switchable to
other voltages.
WARNING: Do not operate the remote power supply on
any AC voltage other than the one stated on the type
plate. This may damage the unit or cause fire or injury.

8.3. Connecting to Power and Setting Up

1. Connect either the balanced XLR audio output (37) or the un-
balanced audio output (38) (1/4" jack) to the desired input on
the mixing console, amplifier, or other equipment.
2. Check that the supplied remote power supply is the correct
model for your local AC power voltage. The AC voltage is in-
dicated on a label on the power supply.
3. Connect the power supply to the power input socket (39) on the
receiver and insert the cable into the strain relief as shown in
fig. 3.
4. Plug the power connector into a power outlet.
5. Set the POWER switch (27) to ON to switch the receiver on. The
MUTE LED (29) or one of the two DIVERSITY LEDs (32) will
illuminate.
6. Set the CHANNEL control (33) to the desired carrier frequency
(channel 1 to 16). Refer to sections 7.1. „Sets of Carrier
Frequencies" and 7.5. „Selecting Carrier Frequencies on the
SR 300 Receiver".
7. In order to fully utilize the SR 300's reception sensitivity,
start by setting the SQUELCH control (28) fully CCW to
MIN (-100 dBm). With the transmitter switched OFF (if it
were switched on it would suppress low-level unwanted sig-
14
5. Lock the battery compartment door (26) by turning the locking
screw CW through 90 degrees.
6. Set the frequency selector (22) to the desired channel (carrier
frequency) referring to sections 7.1. „Sets of Carrier
Frequencies" and 7.4. „Selecting Carrier Frequencies on the
PT 300 Bodypack Transmitter".
7. Set the POWER 0/I switch (17) to I to switch the power on and
observe the red (20) and green (18) status LEDs to check that
the transmitter operates correctly (see table below).
Note that POWER 0/I (17) switches the power to the entire
transmitter on and off.
8. To check the transmitter status, refer to the table below:
Green status LED
(4)/(18)
ON
ON
ON
OFF
OFF
nals), check whether there is any audible RF noise at the re-
ceiver audio output. If there is, turn the SQUELCH control
(28) CW to the point that the MUTE LED (29) illuminates
red and the RF noise stops.
8. The RF LEDs (30) indicate the received signal strength.
9. The DIVERSITY LEDs A and B (32) illuminate to indicate which
of the two antenna inputs is routed to the audio output at any
time.
8.4. Adjusting Sensitivity on HT 300 and PT 300
The SENS control (5) on the HT 300 and the SENSITIVITY control
(19) on the PT 300 match the transmitter sensitivity to the expected
sound level in 4 stages.
On the HT 300 handheld transmitter, moving the SENS
control (5) toward the microphone element increases the sensitivity.
Set SENS (5) so the top AF LED (31) on the SR 300 receiver and
the red status LED (3) on the transmitter will just flash on the loudest
sounds.
On the PT 300 bodypack transmitter, moving the SENSI-
TIVITY control (19) to the right, toward the red PEAK LED (20),
increases the sensitivity.
Set SENSITIVITY (19) so the top AF LED (31) on the SR 300 re-
ceiver and the red PEAK LED (20) on the transmitter will just flash
on the loudest sounds.
At this setting the transmitter is driven to rated deviation and you
still have 6 dB of headroom.
Setting the sensitivity too low will cause dynamic noise at the
audio output. Setting the sensitivity too high will overload the
transmitter and cause distortion.
Transmitter/battery status
Transmitter switched on (on air).
Audio input overloaded.
Batteries low - replace.
PLL has not locked on. Switch power
off and back on.
Batteries empty or inserted incorrectly.
Transmitters
WMS 300