AR 10044831, Operating And Service Manual

Page: 39 / 52

Model 175A400
Rev C 21
2.4.6.14 AC Power-On Defaults
Default settings that are applied at AC mains power-on can be changed by adding the following prefix to
select commands.
Syntax: DEFAULT:
Compatible commands:
Level Adjust
LEVEL:GAIN
LEVEL:DET (Not available on all models)
LEVEL:THR (Not available on all models)
LEVEL:RESP (Not available on all models)
Mode Select
MODE:MANUAL (Not available on all models)
MODE:PULSE (Not available on all models)
MODE:ALC<space>INT (Not available on all models)
MODE:ALC<space>EXT (Not available on all models)
NOTES:
1.
Use the command DEFAULT:FACTORY to reset all applicable settings back to their factory defaults.
2. All applicable defaults can be queried, except DEFAULT:FACTORY , by adding a ? character in place
of the setting parameter.
3. If the ALC Lockout Feature (not available on all models) is engaged, the default ALC values set with this
command will not be used.
Example 1: To set the default RF Gain to 75%, send the following command:
DEFAULT:LEVEL:GAIN75<LF>
Example 2: To query the default RF Gain setting, send the following command:
DEFAULT:LEVEL:GAIN?<LF>
Response: DEFAULT:LEVEL:GAIN75<LF>
Example 3: To set the default mode to manual, send the following command:
DEFAULT:MODE:MANUAL<LF>
2.4.7 Interlocks
The 175A400 has one interlock circuit that is wired to the rear panel Safety Interlock connector. This
interlock requires a normally closed external circuit to allow the unit to function.