
11
Mid Power Adjustment
Set the transceiver to CH 12, and select Mid power
output.
Press and hold in the
PTT
,
SQL
, [
] and [
] key while
turning the transceiver on to enter the Alignment
Mode.
Press the [
] or [
] key to select the display to
“
MPOW
.“ The transceiver now is in the Mid power
output Alignment Mode.
Press the [
MEM
] key to enable adjustment of the Trans-
mitter Mid Power Output.
Press the
PTT
key to cause the transceiver to trans-
mit; if necessary, press the [
] or [
] key to adjust
the output power to 2.5 W (±0.1 W).
Press the [
MEM
] key to exit the Transmitter Mid Power
Output Alignment Mode.
High Power Adjustment
Set the transceiver to CH 12, and select High power
output.
Press and hold in the
PTT
,
SQL
, [
] and [
] key while
turning the transceiver on to enter the Alignment
Mode.
Press the [
] or [
] key to select the display to
“
HPOW
.“ The transceiver now is in the High power
output Alignment Mode.
Press the [
MEM
] key to enable adjustment of the Trans-
mitter High Power Output.
Press the
PTT
key to cause the transceiver to trans-
mit; if necessary, press the [
] or [
] key to adjust
the output power to 5.0 W (±0.1 W).
Press the [
MEM
] key to exit the Transmitter High
Power Output Alignment Mode.
Transmitter Modulation
Set the transceiver to CH 12, and select High power
output.
Press and hold in the
PTT
,
SQL
, [
] and [
] key while
turning the transceiver on to enter the Alignment
Mode.
Press the [
] or [
] key to select the display to “
MOD
.“
The transceiver now is in the Transmitter Modulation
Alignment Mode.
Set the AF generator output to 50 mV rms @ 1 kHz.
Press the [
MEM
] key to enable adjustment of the Trans-
mitter Modulation.
Press the
PTT
key to cause the transceiver to trans-
mit; if necessary, press the [
] or [
] key to adjust
the deviation to 4.2 kHz (±0.1 kHz).
Press the [
MEM
] key to exit the Transmitter Modula-
tion Alignment Mode.
Squelch Threshold and Tight Squelch Adjustment
Set the transceiver to CH 12.
Press and hold in the
PTT
,
SQL
, [
] and [
] key while
turning the transceiver on to enter the Alignment
Mode.
Press the [
] or [
] key to select the display to
“
FMHS
.“ The transceiver now is in the N-FM Squelch
Hysteresis Alignment Mode.
Press the [
MEM
] key to enable adjustment of the N-
FM Squelch Hysteresis.
Press the [
] or [
] key to select the display to “
00
.“
Press the [
MEM
] key.
Set the RF signal generator output to 156.600 MHz, at
a level of –12 dBµV with ±3 kHz deviation with a 1
kHz audio tone.
Press the [
] or [
] key to select the display to
“
FMTH
.“ The transceiver now is in the N-FM Squelch
Threshold Alignment Mode.
Press the [
MEM
] key twice.
Set the RF signal generator output to 156.600 MHz, at
a level of –4 dBµV with ±3 kHz deviation with a 1
kHz audio tone.
Press the [
] or [
] key to select the display to “
FMTI
.“
The transceiver now is in the N-FM Squelch Tight
Alignment Mode.
Press the [
MEM
] key twice.
Exit from the Alignment Mode
To close the Alignment mode, just press and hold in the
POWER
switch for 2 seconds (to turn the power off).
The next time the transceiver is turned on, normal opera-
tion may resume.
Alignment
NOTICE !
Do not touch
the “
DS FSK
,“ “
AT FSK
,““
AMHS
,“ and
“
WFMHS
“ parameters.
Summary of Contents for HX500S
Page 1: ...1 SERVICE MANUAL VHF FM Marine Handheld Transceiver HX500S EM018N90A 16 9 W X H L...
Page 4: ...4 Exploded View Miscellaneous Parts Note...
Page 5: ...5 Block Diagram...
Page 6: ...6 Block Diagram Note...
Page 12: ...12 Alignment Note...
Page 14: ...14 MAIN Unit Note...
Page 26: ...26 Note MAIN Unit...
Page 27: ...27...