EM-2115 APPENDIX A DESCRIPTION FRONT PANEL CONTROLS
(EM2115A-2)
A-3.0 Frequency Control
A-3.1 Main Tuning Control
Type:
Two speed planetary drive control having a 10:1 ratio between the two
knob sections.
Function:
To set the tuned frequency of the receiver.
The outer knob (10-turn) functions as a Coarse Tune control, with the inner knob
(100-turn) used as a Medium Tune control.
A-3.2 Fine Tune Control
Type:
Cermet single turn, 280
rotation, 10 k
.
Function:
Vernier control whose range is approximately 0.1% of the main Tuning
Control range.
A-3.3 Frequency Display
Type:
Six digit LED display.
Color:
Red.
Function:
Indicates the tuned frequency of the receiver in MHz. The accuracy is
±0.1% ±1 count ±0.2 resolution BW over the frequency range of the receiver (9
kHz to 1 GHz).
A-3.4 Range Selector Switches
Type:
Momentary pushbutton switch.
Number:
2.
Indicator:
None.
Function:
Two (2) selection switches (
) (Up/Down), used to select one of
fifteen receiver frequency ranges.
A-3.4.1 Frequency Range Indicator
Type:
Eight digit 1/2-inch LED display.
Color:
Red.
Function:
Indicates the frequency range, in MHz, being used.
A-4.0 AFC Switch
Type:
Momentary pushbutton switch.
Summary of Contents for EM-2115
Page 1: ...INSTRUCTION MANUAL INTERFERENCE ANALYZER MODEL EM 2115 EMC 30...
Page 68: ...EM 2115 3 0 PERFORMANCE CHECK EM2115S3 13...
Page 104: ...EM 2115 4 0 SERVICE MAINTENANCE CALIBRATION EM2115S4 36...
Page 106: ...EM 2115 4 0 SERVICE MAINTENANCE CALIBRATION EM2115S4 38...
Page 108: ...EM 2115 4 0 SERVICE MAINTENANCE CALIBRATION EM2115S4 40...
Page 110: ...EM 2115 4 0 SERVICE MAINTENANCE CALIBRATION EM2115S4 42...
Page 112: ...EM 2115 4 0 SERVICE MAINTENANCE CALIBRATION EM2115S4 44...
