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T
P
A
OP
ANEL
CCESS
The following controls are accessible beneath the
removable panel on the top half of the transceiver case.
Push the slide rearward and pry up the lid to expose
the ALC UNIT circuit board and potentiometer controls.
Most control settings are preset at the factory for nor-
mal operation. Should you desire to change a particu-
lar setting, use a small insulated screwdriver to rotate
the desired potentiometer.
1.HPA-S
This control sets the audio level available from the
sub receiver to headphone jack A (3.5 mm plug).
2.HPA-M
This control sets the audio level available from the
main receiver to headphone jack A (3.5 mm plug).
3.HPB-S
This control sets the audio level available from the
sub receiver to headphone jack B (¼-inch plug).
4.HPB-M
This control sets the audio level available from the
main receiver to headphone jack B (¼-inch plug).
5.TUN-M
This control adjusts the tuning meter segment indi-
cations.
Do not adjust this control, by mistake, as this
control will adversely affect meter tuning indica-
tion, and requires factory re-alignment!.
page 32
& C
ONTROLS
6. FM MIC
crophone gain (and transmitter deviation). More clock-
wise settings produce a wider bandwidth signal.
to produce the correct deviation with standard micro-
phone levels. A deviation meter should be connected
for proper readjustment, as it is difficult to determine
the proper setting by ear. Remember that maximum
deviation permitted on HF is ±2.5 kHz.
7.VOX
the level of microphone audio needed to activate the
transmitter during voice operation while the VOX but-
ton on the front panel is depressed.
8.DELAY ( VOX Delay )
between the moment you stop speaking, and the auto-
matic switch from transmit back to receive. Adjust this
for smooth VOX so the receiver is only activated when
you want to listen.
9.A-VOX ( ANTI-VOX TRIP )
receiver audio to the microphone, to prevent receiver
audio from activating the transmitter (via the micro-
phone) during VOX (voice-actuated transmit/receive
switching) operation. Adjustment is described in the
Operation chapter.
During FM operation, this control adjusts the mi-
NOTE: This control has been preset at the factory
This control sets the gain of the VOX circuit, to set
This control sets the hang time of the VOX circuit,
This control sets the level of negative feedback of
MARK-V FT-1000MP Operating Manual

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