Table 3. Mnemonics Listing for RF Section
Mnemonic | Active | Description |
| State |
|
| Address Bits 0 through 4 | |
ATN* | L O W | Attention True |
BFC ON |
| Filter Capacitor IN |
DAV* | L O W | Data Valid |
L O W | ||
EOI* | L O W | End or Identify |
HLE2 | HIGH | Phase Lock Loop 2 Lock Enable |
HLEY | HIGH | YTO Lock Enable |
HOVH | HIGH | Oven Cold |
HPON | HIGH | Power ON to |
HPUP | HIGH | Power Up |
HSTD | HIGH | 10 MHz Standard ON |
HSWP | HIGH | Sweeping |
HULl | HIGH | Phase Lock Loop 1 or 3 Unlocked |
HUL2 | HIGH | Phase Lock Loop 2 Unlocked |
HULH | HIGH | Heterodyne Oscillator Unlocked |
HULM | HIGH | M/N Unlocked |
HULR | HIGH | REF Unlocked |
HULY | HIGH | YTO Unlocked |
HXRF | HIGH | External Reference |
HYGH | HIGH | YTO Loop Gain High |
IFC* | LOW | Interface Clear |
HIGH | [nstrument Bus Data Bits | |
| Key Columns 0 through 7 | |
| Key Rows 0 through 11 | |
LADR | L O W | |
LANR | L O W | Analog Reset |
LAOS | L O W | Aux Out Strobe |
LB10 | L O W | RF Section I/O Strobe |
LDAS | L O W | DAC Strobe |
LIPS | L O W | Instrument Preset |
LLED | L O W | LED Strobe |
LMNE | LOW | M/N Output Enable |
LRMT | LOW | Remove (High=Local) |
LOW | Enable ROM | |
LRTL | LOW | Local Button Pushed |
Overall Troubleshooting 13