Antenna Bushing Spanner Nut 20 2.27 6680370B90
Back Shield to Frame Screws > 2.8 0.28 6680321B79
Bottom Connector to Frame Screws > 2.8 0.28 6680321B79
Frequency Switch Spanner Nut 8 0.91 6680370B88
All Module Screws > 2.8 0.28 6680321B79
Power Contact Screws > 2.8 0.28 6680321B79
Slotted-Spanner Nut (Baseplate) - 6 0.45 6680370B89
Top Panel to Frame Screws 2 0.23 6680321B79
Volume Pot Spanner Nut 8 0.91 6680370B88
TORQUE SPECIFICATIONS
SECURENET RADIO FUNCTIONAL TESTS @ 7.5Vdc)
APPLICATION TORQUE TORQUE TORQUE
(IN.LBS.) (N-m) BIT NO.
REFERENCE Set to POWER MONITOR, Set to channel PTT Continuous (during Frequency error =
FREQUENCY FREQ. ERROR; frequency corresponding to performance check). ≤450 Hz (vhf)
to radio transmit frequency; frequency of test. ≤750 Hz (uhf)
input to RF IN/OUT. ≤150 Hz Mid-Band)
RF POWER OUT Same as above, except set Set to channel PTT Continuous (during RF power output ≥ published
monitor to measure POWER. corresponding to performance check). specs for channel under test.*
frequency and power
level under test.
VOICE Same as above, except set Set to channel Input a 1kHz tone @ Listen for 1kHz tone from
MODULATION monitor to measure corresponding to ≈50 mVrms to radio's monitor. Deviation should be
DEVIATION. frequency and power microphone (through test ≥4.0kHz and ≤5.0kHz -
level under test. box). PTT continuous (for 25kHz)
≥3.0kHz and ≤4.0kHz -
(for 20kHz)
CODED VOICE Load monitor with same Set to channel Same as above. Listen for decoded 1kHz
MODULATION key used in radio. Select corresponding to freq. tone from monitor. Deviation
proper algorithm and and power level under should be ≥3.5kHz and
DEVIATION test with test. With key loaded, ≤4.5kHz. (for 25kHz)
SECURE COM TEST set radio to coded mode. ≥2.5kHz and ≤3.5kHz -
MENU on screen. (for 20kHz)
RATED AUDIO Set to GENERATOR; Set to open squelch. Speaker selector on Verify that audio is present;
frequency to radio receive position "A"; switch to adjust radio volume control
frequency; 1 mV rf output; load. to read 3.7 to 3.9 Vac on
1kHz modulation; 3kHz DVM.
deviation.
12dB SINAD Same as above except set Set to open squelch Set to speaker load Reduce rf level to achieve
TRANSMITTER PERFORMAN CE
TEST SERVICE MONITOR RADIO TEST BOX COMMENTS
RECEIVE PERFORMANCE
To Next Page
Loading...
Need help?
General
