background image

ASM100 STEREO AM TRANSMITTER USER’S GUIDE 

Copyright © 2009-2016 ASPiSYS 

Page 4 of 10 

M E N U   S E Q U E N C E 

 
Menus show a different collection of informational items. 
 
The menu sequence is shown below.  Menus do not show the actual titles.  The titles below are 
indicative of the function and may appear slightly different on the actual LCD. 
 

MAIN | TEMPERATURE | FORWARD | REFLECTED | MODULATION 

 

MAIN

 

 

Displays FRQ, FWD, REF, and Mod. 

 

Older models (2014 or before): 
 
Press 

[

]

 to turn the status to OnAir, or to re-attempt OnAir after auto-OffAir due 

to excessive reflected power. 
 
Press 

[

to turn the status to OffAir. 

 
Newer models (2015 or later): 
 
Press 

[

]

 to increase the RF output level, or to re-attempt OnAir after auto-OffAir 

due to excessive reflected power.  When the maximum is reached, [H] will display on 
the LCD. 
 
Press 

[

to decrease the RF output level.  When the minimum is reached, [L] will 

display on the LCD.  Pressing 

[

once again will turn the RF output off and [0] 

will display on the LCD. 
 

Note: If the OffAir setting is saved to internal memory, then every time the device 
is restarted, its RF output will be disabled, unless dictated otherwise by the saved 
schedule.

 

 

TEMPERATURE

 

Displays FRQ, Date, Time, and Temp. 

 

Press 

[

]

 to increase the LCD background lighting from off (0%) to full (100%) in 

10% increments. 
 
Press 

[

to decrease the LCD background lighting from full (100%) to off (0%) in 

10% decrements. 

 

FORWARD

  

Displays FRQ, Date, Time, and FWD. 

 

Press 

[

]

 to turn the status to OnAir, or to re-attempt OnAir after auto-OffAir due 

to excessive reflected power. 
 
Press 

[

to turn the status to OffAir. 

 

Note: If the OffAir setting is saved to internal memory, then every time the device 
is restarted, its RF output will be disabled, unless dictated otherwise by the saved 
schedule.

 

 

REFLECTED

 

Displays FRQ, Date, Time, and REF. 

 

MODULATION

 

Displays FRQ, Date, Time, and Mod. 

 
 

S E T T I N G S   M E N U 

 

FRQ 

 
Determines the frequency of operation.  The frequency is adjustable with 1KHz step from 530KHz to 
1710KHz 

(special versions may have a different range)

.  If a number outside the allowed range is 

entered, it will be brought to the closest range limit. 
 

Mode 

 
Press 

[

]

 to toggle the mode between STEREO and MONO.  C-QUAM is compatible with mono receivers so 

operating at Stereo will not affect reception from typical mono receivers. 
 

Sounding 

 
Press 

[

]

 to toggle the sound option between On and Off.  The sounding is used during a possible 

ALERT event due to excessive reflected power. 
 

Loudness 

 
Press 

[

]

 to toggle the loudness of the sound between On and Off.  Off causes a soft clicking sound 

while On cause a significantly louder beeping sound. 
 

Max FWD 

 

Summary of Contents for ASM100

Page 1: ...9 2016 by ASPiSYS Ltd A S M 1 0 0 and compatibles DDS FREQUENCY SYNTHESIZED C QUAM COMPATIBLE STEREO AM TRANSMITTER 25W 100W carrier 100W 400W PEP User s Guide Please read carefully before using for t...

Page 2: ...stops the editing and accepts the changes For menu items that have only two possible options e g toggle switches pressing toggles the current option Note Some choices may become active immediately wh...

Page 3: ...r versions before 2015 When there is excessive reflected power the RF power will not be disabled unless the device is currently in a page where the REF reading is shown Pages where the REF reading doe...

Page 4: ...p Press to increase the LCD background lighting from off 0 to full 100 in 10 increments Press to decrease the LCD background lighting from full 100 to off 0 in 10 decrements FORWARD Displays FRQ Date...

Page 5: ...nd it s made up of either spaces or upper case alphabetic characters There are 2710 1 possible passwords When the password is all spaces it is effectively disabled The password protection is useful fo...

Page 6: ...her parts of the world When in clock editing mode the blinking cursor appears on the LCD at the position to edit next Use to change the current element e g hour or to clear the current element value t...

Page 7: ...u want you can use the opposite direction button from the one you were using to go back either continuously or one at a time A U D I O L E V E L A D J U S T Although the unit is factory trimmed the tr...

Page 8: ...power of just the carrier signal The PowerMeterMode setting must be in AVG mode which is the typical preferred setting You should increase the output power up to point we read 25W or 100W depending o...

Page 9: ...ations depending on your region If unsure please check with your local telecommunications authorities Under no circumstances should it be used in violation of any such laws regulations The responsibil...

Page 10: ...f band 60 dBc Audio Level Control Adjustable for unbalanced input RF modulation AM Mono or C QUAM Stereo System Input Level 0 25 V up to 2 5 V p p adjustable unbalanced Input Impedance 10 K unbalanced...

Reviews: