GE MDS 4790 Series Installation & Operation Manual page 115

A
Access Level screen 68
Accessories 5
accessory 5
ACTIVE LED 29
Active Radio Status screen 77
ALARM command (display current alarm status in hexadeci-
mal format). See also STAT command 37
ALARM LED 29
Alarm Masks screen 75
Alarms
classify events as major (AMASK command) 40
classify events as minor (NMASK command) 49
connecting optional circuits 24
display hexadecimal codes (LCD screen) 75
display status (STAT command). See also ALARM com-
mand 56
event codes 57
hexadecimal values for major alarm conditions, table 38
major, defined 83
minor, defined 83
relay connections, illustrated 25
set/display Pin 25 alarm output (ASENSE command) 41
summarize in hexadecimal format (ALARM command)
37
AMASK command (classify alarm events as major). See also
NMASK command 40
Antenna switch module
removing or re-installing 93
removing, illustrated 94
Antennas
height vs. theoretical radio horizon, illustrated 101
selection 9
ASENSE command (set/display Pin 25 alarm output) 41
Assemblies, replacing 86
assembly 22, 23, 24
Audio
connector, illustrated 22
connector, installation 22
enable/disable receive attenuator (LCD screen) 75
enable/disable transmit boost (LCD screen) 75
enable/disable transmit boost (TXGAIN command) 59
set/display receive level (LCD screen) 75
set/display receive level (RXLEVEL command) 53
set/display transmit level (LCD screen) 74
set/display transmit level (TXLEVEL command) 59
B
Backlight Intensity screen 76
Backup battery
battery on/off switch 15
MDS 05-3438A01, Rev. F
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INDEX
installation & removal 87
BAUD command (set/display communication attributes for
DATA INTERFACE port) 42
Baud rate
set/display baud rate/format (Baud Rate/Format screen)
70
setting for RJ-11 DIAG port (DLINK command) 45, 84
Baud Rate/Format screen 70
Bench test setup 83
illustrated 84
BUFF command (set/display received data handling mode) 42
C
Cables
coax 9, 18
DB-9 to DB-9 for PC connection 30
DB-9 to DB-9, illustrated 31
diagnostic and control interface, accessory 5
extension 13
feedline installation 17
feedline loss chart, table 10
feedline selection 9
front panel, disconnecting 12, 88
null-modem, connecting same-site radios for diagnostics
85
RJ-11 to DB-9 adapter 85
RJ-11 to DB-9 adapter, illustrated 86
Cautions
disconnect primary power before removing transceiver
board or power supply 86, 93
verify power source matches power supply 87
CKEY command (enable/disable continuous keying) 43
Clear Logs screen 79
Clear-to-Send Delay screen 70
Clear-to-send timer
set/display value (CTS command) 43
set/display value (LCD screen) 70
Commands
ALARM (display current alarm status in hexadecimal for-
mat). See also STAT command 37
AMASK (classify alarm events as major). See also
NMASK command 40
ASENSE (set/display Pin 25 alarm output) 41
BAUD (set/display communication attributes for DATA
INTERFACE port) 42
BUFF (set/display received data handling mode) 42
CKEY (enable/disable continuous keying) 43
CTS (set/display clear-to-send timer) 43
DATAKEY (set/display key-on-data mode) 44
DATE (set/display date) 44
diagnostics, PC 35
MDS 4790/9790 Series I/O Guide I-1