February 3, 2003 6881076C20-E
5-2 Performance Checks: Test Mode
5.2.2 ASTRO Digital Spectra Plus
Figure 5-2. ASTRO Digital Spectra Plus Performance Checks Test Setup
5.3 Test Mode
NOTE: The test mode for the ASTRO Spectra radio is different from the standard Spectra radio, but
is similar to the ASTRO portable test mode.
Be sure to transmit into a load when keying a radio under test.
5.3.1 Entering Test Mode
1. To enter test mode, turn the radio on.
2. Within 10 seconds after Self Test is complete, press the Home button five times in
succession. The Self Test for the ASTRO Digital Spectra Plus radio is displayed as
SPECTRA+.
3. The radio will show a series of displays that will give information regarding various version
numbers and subscriber-specific information. The displays are described in
Table 5-1.
Table 5-1. Test-Mode Displays
Display Name Description Appears
SERVICE Indicates the radio has entered test mode Always
Radio Host Software
Version
The version of radio firmware Always
DSP Software Version The version of firmware being used by the
DSP
Always
EMC Secure Version Version of the encryption hardware When the
radio is secure
equipped
COMMUNICATIONS
ANALYZER
WATTMETER
RADIO
MATCHING
TRANSFORMER
TEST
SPEAKER
RF PORT
SINAD METER
AC VOLTMETER
RX
COMMUNICATIONS
ANALYZER
Vert/SINAD Dist/
DVM Counter
OR
AGILENT 8901B
MODULATION
ANALYZER
RF
ATTENUATOR
MAEPF-27501-O
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