Motorola 880 Service Manual page 25

Accessing The Manual Test Mode
When the Test SIM card is in place, power
up the telephone. Once the initial automatic
'wake up' sequence has taken place
correctly, depress the # key (on the units
keypad) for three seconds. After three
seconds 'TEST' should appear in the display,
Key Sequence
#(hold down for 2 seconds)
01#
02xxyyy#
03x#
05x#
07x#
08#
09#
10#
11xxx#
12xx#
13x#
14x#
15x#
16#
19#
20#
22#
24x#
25xxx#
26xxxx#
31x#
32#
33xxx#
34xxxyy#
36#
37#
38#
12/9/97
Table 5: GSM Test Commands
Enter manual test mode
Exit manual test mode
Display/modify TX power level DAC & load PA calibration table
DAI
Initiate Exec Error Handler Test
Mute RX audio path
Unmute RX audio path
Mute TX audio path
Unmute TX audio path
Program main LO to channel
Set TX power level to fixed value
Display memory block usage
Initiate Out of Memory condition
Generate tone
Mute tone generator
Display S/W version number of Call Processor
Display S/W version number of Modem
Display S/W version number of Speech Coder
Set step AGC
Set continuous AGC
Set continuous AFC
Initiate Pseudo-Random Sequence- with Midamble
Initiate RACH Burst Sequence
Synchronize to BCH carrier
Configuration to TCH/FS & Enable TCH loopback w/o Frame Ensure
Indication
Initiate acoustic loopback
Stop test
Activate SIM
68P09403A50
indicating that the unit is now in the Manual
Test Mode. Table 5: "GSM Test Commands"
on page 17 shows the available Manual Test
commands and
results.If a customer should forget the secu-
rity code in their unit, it can only be read or
changed by using a Test SIM card.
Test Function/Name
Testing
their corresponding
17