Manual Change Of Channel; Automatic Change Of Channel - Wavetek IS-136 MS Operating Instructions Manual

Handoff Procedures

Manual change of channel

HOW?
A
+
D
MTXOFFset ERR Frequency error of mobile transmitter in new analog TC.
A
MDEMOD
MPOWER
RESULt7
D
RESULt8
RESULt9

Automatic change of channel

HOW?

In case of automatic change of channel the mobile output power level has to
be > approx. 17 dBm. This is only necessary to get measurement results for the
mobile output power in the AUTO HANDOFF mask.
To change the type of traffic channel, change from scroll
variable To
(VSELP) or To digital TC (ACELP) or vice versa
(the TC number does not have to be changed).
If you have not changed the type of traffic channel, enter
the new TC number in the appropriate analog field
FVC CHANNEL or digital field DTC CHANNEL.
Press
{EXECUTE}
signaling adopts the new type of channel or the new
channel number.
Test Results
Mobile could change to new TC: basic test mask shows
figures measured for frequency error and transmitting power of
mobile (ERR and PWR).
Mobile could not change to new TC: connection breaks off.
DEV Mobile frequency deviation in new analog TC.
PWR Mobile output power in new analog TC (see appendix).
ERR Frequency error of mobile transmitter in new digital TC.
PWR Mobile output power in new digital TC (see appendix).
DCC Digital color code. Value must be same as entered DVCC.
Press in the basic test mask to call up the AUTO
{AUTO}
HANDOFF mask (Fig. 10.11).
Select the desired scroll variable To analog TC or To
digital TC
(ACELP) .
Select Channels or Auto Incr. and change to the
corresponding entry fields for defining the traffic chan-
nels in which the mobile is to be automatically tested:
Channels: entry of up to five channel numbers.
Auto Incr.: entry of first and last channel number
plus stepping increment.
TC to To
analog
in the basic test mask. In this way
(VSELP) or
To
IS-136 MS
digital TC
digital TC
10-21
10